{"id":"https://openalex.org/W1828884337","doi":null,"title":"Multicenter comparison of calibration and cross calibration of PET scanners.","display_name":"Multicenter comparison of calibration and cross calibration of PET scanners.","publication_year":2002,"publication_date":"2002-05-01","ids":{"openalex":"https://openalex.org/W1828884337","mag":"1828884337","pmid":"https://pubmed.ncbi.nlm.nih.gov/11994527"},"language":"en","primary_location":{"id":"pmid:11994527","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11994527","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":"Journal of nuclear medicine : official publication, Society of Nuclear Medicine","raw_type":"Comparative Study"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["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/A5005317873","display_name":"Lilli Geworski","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I39343248","display_name":"Humboldt-Universit\u00e4t zu Berlin","ror":"https://ror.org/01hcx6992","country_code":"DE","type":"education","lineage":["https://openalex.org/I39343248"]},{"id":"https://openalex.org/I7877124","display_name":"Charit\u00e9 \u2013 Universit\u00e4tsmedizin Berlin","ror":"https://ror.org/001w7jn25","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I7877124"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Lilli Geworski","raw_affiliation_strings":["Clinic for Nuclear Medicine, University Hospital Charit\u00e9, Humboldt University of Berlin, Berlin, Germany. lilli.geworski@charite.de"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Clinic for Nuclear Medicine, University Hospital Charit\u00e9, Humboldt University of Berlin, Berlin, Germany. lilli.geworski@charite.de","institution_ids":["https://openalex.org/I39343248","https://openalex.org/I7877124"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109921582","display_name":"Bernd O. Knoop","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bernd O Knoop","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017446958","display_name":"Maike de Wit","orcid":"https://orcid.org/0000-0001-5222-7133","observed_orcids":["https://orcid.org/0000-0001-5222-7133"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Maike de Wit","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030184670","display_name":"Velimir Ivan\u010devi\u0107","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Velimir Ivancevi\u0107","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069332516","display_name":"Roland Bares","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Roland Bares","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5110403299","display_name":"Dieter Ludwig Munz","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dieter L Munz","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.4682,"has_fulltext":false,"cited_by_count":82,"citation_normalized_percentile":{"value":0.79927449,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":99},"biblio":{"volume":"43","issue":"5","first_page":"635","last_page":"9"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9789999723434448,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9789999723434448,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T13414","display_name":"Radioactive Decay and Measurement Techniques","score":0.004600000102072954,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.0027000000700354576,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pet-scanner-calibration","display_name":"PET scanner calibration","score":0.9879999756813049},{"id":"https://openalex.org/keywords/cross-calibration","display_name":"cross-calibration","score":0.8320000171661377},{"id":"https://openalex.org/keywords/multicenter-comparison","display_name":"multicenter comparison","score":0.5690000057220459},{"id":"https://openalex.org/keywords/dose-calibrator","display_name":"dose calibrator","score":0.7559999823570251},{"id":"https://openalex.org/keywords/pet-quantification","display_name":"PET quantification","score":0.6579999923706055}],"concepts":[{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.8116582632064819},{"id":"https://openalex.org/C2992435398","wikidata":"https://www.wikidata.org/wiki/Q6934595","display_name":"Multicenter study","level":3,"score":0.6677278876304626},{"id":"https://openalex.org/C2779751349","wikidata":"https://www.wikidata.org/wiki/Q1474480","display_name":"Scanner","level":2,"score":0.5859614014625549},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5848670601844788},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.520232081413269},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.5119282007217407},{"id":"https://openalex.org/C19527891","wikidata":"https://www.wikidata.org/wiki/Q1120908","display_name":"Medical physics","level":1,"score":0.46002426743507385},{"id":"https://openalex.org/C2775965419","wikidata":"https://www.wikidata.org/wiki/Q6934595","display_name":"Multicenter trial","level":4,"score":0.4345130920410156},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.4274616241455078},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3428254723548889},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.33980944752693176},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.27845698595046997},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17524954676628113},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.15640702843666077},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.09540796279907227},{"id":"https://openalex.org/C168563851","wikidata":"https://www.wikidata.org/wiki/Q1436668","display_name":"Randomized controlled trial","level":2,"score":0.07339075207710266},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D002138","descriptor_name":"Calibration","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":"D011829","descriptor_name":"Radiation Dosage","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014055","descriptor_name":"Tomography, Emission-Computed","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true}],"locations_count":3,"locations":[{"id":"pmid:11994527","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11994527","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":"Journal of nuclear medicine : official publication, Society of Nuclear Medicine","raw_type":"Comparative Study"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.558.6462","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.558.6462","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://jnm.snmjournals.org/content/43/5/635.full.pdf","raw_type":"text"},{"id":"mag:1828884337","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11994527","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.8199999928474426,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W16733889","https://openalex.org/W1034380138","https://openalex.org/W2000845854","https://openalex.org/W2074028994","https://openalex.org/W2121272153"],"related_works":["https://openalex.org/W1969570793","https://openalex.org/W1967603440","https://openalex.org/W41543008","https://openalex.org/W2288956731","https://openalex.org/W2162666335","https://openalex.org/W2024619248","https://openalex.org/W2852643921","https://openalex.org/W2123508181","https://openalex.org/W2575606523","https://openalex.org/W2072458911"],"abstract_inverted_index":{"UNLABELLED:":[0],"The":[1],"purpose":[2],"of":[3,11,39,52,56,62,78,91,96,115,128],"this":[4],"study":[5],"was":[6],"to":[7,18,93],"compare":[8],"the":[9,40,101],"calibration":[10,17,116],"PET":[12,28],"scanners":[13,29,58,74,88,131],"and":[14,54,66,72,82,98],"their":[15],"cross":[16],"peripheral":[19],"devices":[20],"in":[21,64,80,123],"a":[22],"multicenter":[23,125],"study.":[24],"METHODS:":[25],"Twenty-three":[26],"dedicated":[27],"were":[30,45],"investigated,":[31],"applying":[32],"standardized":[33],"protocols.":[34],"To":[35],"ensure":[36],"exact":[37],"determination":[38],"activity":[41],"used,":[42],"dose":[43],"calibrators":[44],"checked":[46],"using":[47],"(68)Ge":[48],"standards.":[49],"RESULTS:":[50],"Nine":[51],"19":[53],"11":[55],"20":[57],"displayed":[59,75],"an":[60,76],"error":[61,77],"<5%":[63],"3-dimensional":[65,81],"2-dimensional":[67,83],"acquisition":[68],"modes,":[69,84],"respectively.":[70,85],"Four":[71],"5":[73],"10%":[79],"All":[86],"other":[87],"yielded":[89],"errors":[90],"5%":[92],"<10%.":[94],"Because":[95],"hardware":[97],"software":[99],"problems,":[100],"measurements":[102],"performed":[103],"on":[104],"1":[105],"scanner":[106],"could":[107],"not":[108],"be":[109],"adequately":[110],"analyzed.":[111],"CONCLUSION:":[112],"An":[113],"investigation":[114],"is":[117,132],"mandatory.":[118],"Especially":[119],"for":[120],"quantitative":[121],"analyses":[122],"clinical":[124],"trials,":[126],"identification":[127],"potentially":[129],"miscalibrated":[130],"necessary.":[133]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
