{"id":"https://openalex.org/W2012190331","doi":"https://doi.org/10.1055/s-0031-1275742","title":"Strength and Endurance in Elite Football Players","display_name":"Strength and Endurance in Elite Football Players","publication_year":2011,"publication_date":"2011-05-11","ids":{"openalex":"https://openalex.org/W2012190331","doi":"https://doi.org/10.1055/s-0031-1275742","mag":"2012190331","pmid":"https://pubmed.ncbi.nlm.nih.gov/21563031"},"language":"en","primary_location":{"id":"doi:10.1055/s-0031-1275742","doi":"https://doi.org/10.1055/s-0031-1275742","is_oa":false,"landing_page_url":"https://doi.org/10.1055/s-0031-1275742","pdf_url":null,"source":{"id":"https://openalex.org/S26699211","display_name":"International Journal of Sports Medicine","issn_l":"0172-4622","issn":["0172-4622","1439-3964"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-d","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320000","host_organization_name":"Thieme Medical Publishers (Germany)","host_organization_lineage":["https://openalex.org/P4310320000"],"host_organization_lineage_names":["Thieme Medical Publishers (Germany)"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Sports Medicine","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031447744","display_name":"Jan Helgerud","orcid":"https://orcid.org/0000-0002-7796-5594","observed_orcids":["https://orcid.org/0000-0002-7796-5594"]},"institutions":[{"id":"https://openalex.org/I204778367","display_name":"Norwegian University of Science and Technology","ror":"https://ror.org/05xg72x27","country_code":"NO","type":"education","lineage":["https://openalex.org/I204778367"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"J. Helgerud","raw_affiliation_strings":["Norwegian University of Science and Technology, Department of Circulation and Medical Imaging, Trondheim, Norway. Jan.Helgerud@ntnu.no","Norwegian University of Science and Technology, Department of Circulation and Medical Imaging, Trondheim, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Norwegian University of Science and Technology, Department of Circulation and Medical Imaging, Trondheim, Norway. Jan.Helgerud@ntnu.no","institution_ids":["https://openalex.org/I204778367"]},{"raw_affiliation_string":"Norwegian University of Science and Technology, Department of Circulation and Medical Imaging, Trondheim, Norway","institution_ids":["https://openalex.org/I204778367"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017486684","display_name":"Gil Rodas","orcid":"https://orcid.org/0000-0002-8060-3914","observed_orcids":["https://orcid.org/0000-0002-8060-3914"]},"institutions":[{"id":"https://openalex.org/I4210136471","display_name":"FC Barcelona","ror":"https://ror.org/04bpz1v84","country_code":"ES","type":"other","lineage":["https://openalex.org/I4210136471"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"G. Rodas","raw_affiliation_strings":["Medical Services F.C. Barcelona, Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Medical Services F.C. Barcelona, Barcelona, Spain","institution_ids":["https://openalex.org/I4210136471"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017452754","display_name":"Ole Johan Kemi","orcid":"https://orcid.org/0000-0003-1344-9512","observed_orcids":["https://orcid.org/0000-0003-1344-9512"]},"institutions":[{"id":"https://openalex.org/I7882870","display_name":"University of Glasgow","ror":"https://ror.org/00vtgdb53","country_code":"GB","type":"education","lineage":["https://openalex.org/I7882870"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"O. J. Kemi","raw_affiliation_strings":["Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Cardiovascular and Medical Sciences, University of Glasgow, United Kingdom","institution_ids":["https://openalex.org/I7882870"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032525742","display_name":"Jan Hoff","orcid":"https://orcid.org/0000-0002-8432-7304","observed_orcids":["https://orcid.org/0000-0002-8432-7304"]},"institutions":[{"id":"https://openalex.org/I204778367","display_name":"Norwegian University of Science and Technology","ror":"https://ror.org/05xg72x27","country_code":"NO","type":"education","lineage":["https://openalex.org/I204778367"]},{"id":"https://openalex.org/I4210104358","display_name":"St Olav's University Hospital","ror":"https://ror.org/01a4hbq44","country_code":"NO","type":"healthcare","lineage":["https://openalex.org/I4210104358"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"J. Hoff","raw_affiliation_strings":["Norwegian University of Science and Technology, Department of Circulation and Medical Imaging, Trondheim, Norway","St. Olav University Hospital, Department of Physical Medicine and Rehabilitation, Trondheim, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Norwegian University of Science and Technology, Department of Circulation and Medical Imaging, Trondheim, Norway","institution_ids":["https://openalex.org/I204778367"]},{"raw_affiliation_string":"St. Olav University Hospital, Department of Physical Medicine and Rehabilitation, Trondheim, Norway","institution_ids":["https://openalex.org/I4210104358"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":7.0332,"has_fulltext":false,"cited_by_count":175,"citation_normalized_percentile":{"value":0.9679691,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"32","issue":"09","first_page":"677","last_page":"682"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10157","display_name":"Sports Performance and Training","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11209","display_name":"Cardiovascular and exercise physiology","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2707","display_name":"Complementary and alternative medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11246","display_name":"Sports injuries and prevention","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/elite-soccer-players","display_name":"elite soccer players","score":0.9449999928474426},{"id":"https://openalex.org/keywords/maximal-strength-training","display_name":"maximal strength training","score":0.9559999704360962},{"id":"https://openalex.org/keywords/aerobic-interval-training","display_name":"aerobic interval training","score":0.8489999771118164},{"id":"https://openalex.org/keywords/vo2max","display_name":"VO2max","score":0.9210000038146973},{"id":"https://openalex.org/keywords/10-m-sprint","display_name":"10 m sprint","score":0.7519999742507935},{"id":"https://openalex.org/keywords/countermovement-jump","display_name":"countermovement jump","score":0.9580000042915344},{"id":"https://openalex.org/keywords/preseason-training","display_name":"pre-season training","score":0.7269999980926514},{"id":"https://openalex.org/keywords/physical-capacity","display_name":"physical capacity","score":0.9589999914169312}],"concepts":[{"id":"https://openalex.org/C2776868573","wikidata":"https://www.wikidata.org/wiki/Q46855","display_name":"Sprint","level":2,"score":0.8617219924926758},{"id":"https://openalex.org/C2778444522","wikidata":"https://www.wikidata.org/wiki/Q1081491","display_name":"Football","level":2,"score":0.6825115084648132},{"id":"https://openalex.org/C196310339","wikidata":"https://www.wikidata.org/wiki/Q60354","display_name":"VO2 max","level":4,"score":0.6547535061836243},{"id":"https://openalex.org/C2777112482","wikidata":"https://www.wikidata.org/wiki/Q59603","display_name":"One-repetition maximum","level":3,"score":0.562046229839325},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.5564087629318237},{"id":"https://openalex.org/C123550912","wikidata":"https://www.wikidata.org/wiki/Q12834857","display_name":"Strength training","level":2,"score":0.5427688360214233},{"id":"https://openalex.org/C3017797855","wikidata":"https://www.wikidata.org/wiki/Q937857","display_name":"Football players","level":3,"score":0.5179204344749451},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.48355981707572937},{"id":"https://openalex.org/C2778820510","wikidata":"https://www.wikidata.org/wiki/Q1755746","display_name":"Squat","level":2,"score":0.47136107087135315},{"id":"https://openalex.org/C99830354","wikidata":"https://www.wikidata.org/wiki/Q362854","display_name":"Endurance training","level":2,"score":0.4129874110221863},{"id":"https://openalex.org/C2992361435","wikidata":"https://www.wikidata.org/wiki/Q60354","display_name":"Aerobic capacity","level":2,"score":0.41214054822921753},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3847159743309021},{"id":"https://openalex.org/C2777953023","wikidata":"https://www.wikidata.org/wiki/Q1073121","display_name":"Heart rate","level":3,"score":0.3455938696861267},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.32204461097717285},{"id":"https://openalex.org/C2988918651","wikidata":"https://www.wikidata.org/wiki/Q1048687","display_name":"Muscle strength","level":2,"score":0.21657699346542358},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.1208283007144928},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010101","descriptor_name":"Oxygen Consumption","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010101","descriptor_name":"Oxygen Consumption","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010101","descriptor_name":"Oxygen Consumption","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010807","descriptor_name":"Physical Endurance","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D010807","descriptor_name":"Physical Endurance","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D010807","descriptor_name":"Physical Endurance","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012420","descriptor_name":"Running","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012420","descriptor_name":"Running","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012420","descriptor_name":"Running","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012916","descriptor_name":"Soccer","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012916","descriptor_name":"Soccer","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012916","descriptor_name":"Soccer","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D053580","descriptor_name":"Muscle Strength","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D053580","descriptor_name":"Muscle Strength","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D053580","descriptor_name":"Muscle Strength","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D054874","descriptor_name":"Athletic Performance","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D054874","descriptor_name":"Athletic Performance","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D054874","descriptor_name":"Athletic Performance","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D055070","descriptor_name":"Resistance Training","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055070","descriptor_name":"Resistance Training","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055070","descriptor_name":"Resistance Training","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1055/s-0031-1275742","doi":"https://doi.org/10.1055/s-0031-1275742","is_oa":false,"landing_page_url":"https://doi.org/10.1055/s-0031-1275742","pdf_url":null,"source":{"id":"https://openalex.org/S26699211","display_name":"International Journal of Sports Medicine","issn_l":"0172-4622","issn":["0172-4622","1439-3964"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-d","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320000","host_organization_name":"Thieme Medical Publishers (Germany)","host_organization_lineage":["https://openalex.org/P4310320000"],"host_organization_lineage_names":["Thieme Medical Publishers (Germany)"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Sports Medicine","raw_type":"journal-article"},{"id":"pmid:21563031","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/21563031","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International journal of sports medicine","raw_type":"Journal Article"},{"id":"pmh:oai:eprints.gla.ac.uk:57291","doi":null,"is_oa":false,"landing_page_url":"http://eprints.gla.ac.uk/57291/","pdf_url":null,"source":{"id":"https://openalex.org/S4210235606","display_name":"ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam)","issn_l":"2622-8912","issn":["2622-8912","2622-8920"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/I4405259220","host_organization_name":"Institut Agama Islam Negeri Langsa","host_organization_lineage":["https://openalex.org/I4405259220"],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Articles"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9391000270843506,"id":"https://metadata.un.org/sdg/3"}],"sustainable_development_goals_aurora":[],"study_designs":[{"display_name":"Clinical Trial","id":"https://openalex.org/study-designs/clinical-trial"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W63312962","https://openalex.org/W74001476","https://openalex.org/W1506251539","https://openalex.org/W1537854127","https://openalex.org/W1584552797","https://openalex.org/W1832979787","https://openalex.org/W1900048383","https://openalex.org/W2018941630","https://openalex.org/W2028611984","https://openalex.org/W2040165855","https://openalex.org/W2045284010","https://openalex.org/W2059097685","https://openalex.org/W2063217821","https://openalex.org/W2077668075","https://openalex.org/W2090138959","https://openalex.org/W2095423498","https://openalex.org/W2096194985","https://openalex.org/W2118476509","https://openalex.org/W2120789987","https://openalex.org/W2141909299","https://openalex.org/W2148165061","https://openalex.org/W2149336616","https://openalex.org/W2153958383","https://openalex.org/W2155277816","https://openalex.org/W2161423875","https://openalex.org/W2161991821","https://openalex.org/W2413328299","https://openalex.org/W3215333208"],"related_works":["https://openalex.org/W4206100691","https://openalex.org/W2087633036","https://openalex.org/W2268601732","https://openalex.org/W2294228033","https://openalex.org/W3044713811","https://openalex.org/W2008154520","https://openalex.org/W2617048803","https://openalex.org/W2965093065","https://openalex.org/W2955468502","https://openalex.org/W4244971910"],"abstract_inverted_index":{"We":[0],"aimed":[1],"to":[2,109,131,186],"improve":[3],"the":[4,44,51,156,176],"physical":[5,178],"capacity":[6,179],"of":[7,57,94,175],"a":[8,18,78],"top-level":[9],"elite":[10,29,187],"football":[11,30,169,188],"team":[12],"during":[13],"its":[14],"pre-season":[15],"by":[16,141],"implementing":[17],"maximal":[19,58,89],"strength":[20,63,90,161],"and":[21,61,162,180],"high-intensity":[22],"endurance":[23,163],"training":[24,64,91,157,164,170],"program.":[25,97,158],"21":[26],"first":[27],"league":[28],"players":[31,84],"(20-31":[32],"yrs,":[33],"height":[34],"171-194":[35],"cm,":[36],"mass":[37],"58.8-88.1":[38],"kg)":[39],"having":[40],"recently":[41],"participated":[42],"in":[43,50,68,172],"UEFA":[45],"Champions'":[46],"League,":[47],"took":[48],"part":[49,93],"study.":[52],"Aerobic":[53],"interval-training":[54],"at":[55],"90-95%":[56],"heart":[59],"rate":[60],"half-squats":[62],"with":[65,88,167],"maximum":[66,123],"loads":[67],"4":[69,72],"repetitions":[70],"\u00d7":[71],"sets":[73],"were":[74,85],"performed":[75],"concurrently":[76],"twice":[77],"week":[79],"for":[80],"8":[81],"weeks.":[82],"The":[83,135,159],"not":[86],"familiar":[87],"as":[92],"their":[95],"regular":[96,168],"Maximal":[98],"oxygen":[99],"uptake":[100],"(VO(2max))":[101],"increased":[102,124],"8.6%":[103],"(1.7-16.6)":[104],"(p<0.001),":[105,127,154],"from":[106,128],"60.5":[107],"(51.7-67.1)":[108],"65.7":[110],"(58.0-74.5)":[111],"mL":[112],"\u00b7":[113,116],"kg":[114],"(-1)":[115,118],"min":[117],"whereas":[119],"half-squat":[120],"one":[121],"repetition":[122],"51.7%":[125],"(13.3-135.3)":[126],"116":[129],"(85-150)":[130],"176":[132],"(160-210)":[133],"kg.":[134],"10-m":[136],"sprint":[137],"time":[138],"also":[139],"improved":[140,150],"0.06":[142],"s":[143],"(0.02-0.16)":[144],"(p<0.001);":[145],"while":[146],"counter":[147],"movement":[148],"jump":[149],"3.0":[151],"cm":[152],"(0.1-6.2)":[153],"following":[155],"concurrent":[160],"program":[165],"together":[166],"resulted":[171],"considerable":[173],"improvement":[174],"players'":[177],"so":[181],"may":[182],"be":[183],"successfully":[184],"introduced":[185],"players.":[189]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":15},{"year":2023,"cited_by_count":18},{"year":2022,"cited_by_count":21},{"year":2021,"cited_by_count":14},{"year":2020,"cited_by_count":19},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":11},{"year":2017,"cited_by_count":9},{"year":2016,"cited_by_count":11},{"year":2015,"cited_by_count":13},{"year":2014,"cited_by_count":14},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-13T10:08:12.033832","created_date":"2025-10-10T00:00:00"}