{"id":"https://openalex.org/W154547002","doi":null,"title":"Idiopathic chronic fatigue and chronic fatigue syndrome: a comparison of two case-definitions.","display_name":"Idiopathic chronic fatigue and chronic fatigue syndrome: a comparison of two case-definitions.","publication_year":1999,"publication_date":"1999-01-01","ids":{"openalex":"https://openalex.org/W154547002","mag":"154547002","pmid":"https://pubmed.ncbi.nlm.nih.gov/10721210"},"language":"en","primary_location":{"id":"pmid:10721210","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10721210","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":"Annali dell'Istituto superiore di sanita","raw_type":"Comparative Study"},"volume":null,"type":"article","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/A5004463275","display_name":"Carla Arpino","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27897274","display_name":"Istituto Superiore di Sanit\u00e0","ror":"https://ror.org/02hssy432","country_code":"IT","type":"government","lineage":["https://openalex.org/I27897274"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"C Arpino","raw_affiliation_strings":["Laboratorio di Epidemiologia e Biostatistica, Istituto Superiore di Sanit\u00e0, Rome, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratorio di Epidemiologia e Biostatistica, Istituto Superiore di Sanit\u00e0, Rome, Italy","institution_ids":["https://openalex.org/I27897274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085208411","display_name":"Patrizia Carrieri","orcid":"https://orcid.org/0000-0002-6794-4837","observed_orcids":["https://orcid.org/0000-0002-6794-4837"]},"institutions":[{"id":"https://openalex.org/I27897274","display_name":"Istituto Superiore di Sanit\u00e0","ror":"https://ror.org/02hssy432","country_code":"IT","type":"government","lineage":["https://openalex.org/I27897274"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"M P Carrieri","raw_affiliation_strings":["Istituto Superiore di Sanit\u00e0 ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istituto Superiore di Sanit\u00e0 ,","institution_ids":["https://openalex.org/I27897274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087114501","display_name":"Guido Valesini","orcid":"https://orcid.org/0000-0002-7757-8092","observed_orcids":["https://orcid.org/0000-0002-7757-8092"]},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"G Valesini","raw_affiliation_strings":["University of Rome \u201cLa Sapienza \u201d"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Rome \u201cLa Sapienza \u201d","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108108815","display_name":"Eligio Pizzigallo","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E Pizzigallo","raw_affiliation_strings":["University of Venice"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Venice","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016365069","display_name":"Pierangelo Rovere","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"P Rovere","raw_affiliation_strings":["Ospedale di Legnago"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ospedale di Legnago","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071652380","display_name":"Umberto Tirelli","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210128630","display_name":"Centro di Riferimento Oncologico","ror":"https://ror.org/03ks1vk59","country_code":"IT","type":"healthcare","lineage":["https://openalex.org/I4210128630","https://openalex.org/I4210153126"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"U Tirelli","raw_affiliation_strings":["Centro Di Riferimento Oncologico Aviano"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centro Di Riferimento Oncologico Aviano","institution_ids":["https://openalex.org/I4210128630"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105717039","display_name":"Fabrizio Conti","orcid":"https://orcid.org/0000-0002-1897-049X","observed_orcids":["https://orcid.org/0000-0002-1897-049X"]},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"F Conti","raw_affiliation_strings":["University of Rome \u201cLa Sapienza \u201d"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Rome \u201cLa Sapienza \u201d","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045984440","display_name":"Paola Dialmi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"P Dialmi","raw_affiliation_strings":["University of Venice"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Venice","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009526003","display_name":"Annamaria Barberio","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"A Barberio","raw_affiliation_strings":["University of Rome \u201cLa Sapienza \u201d"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Rome \u201cLa Sapienza \u201d","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105127666","display_name":"Nicoletta Rusconi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"N Rusconi","raw_affiliation_strings":["University of Rome \u201cLa Sapienza \u201d"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Rome \u201cLa Sapienza \u201d","institution_ids":["https://openalex.org/I861853513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023752466","display_name":"Oliviero Bosco","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"O Bosco","raw_affiliation_strings":["USL 25"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USL 25","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021984756","display_name":"Adriano Lazzarin","orcid":"https://orcid.org/0000-0003-2551-7754","observed_orcids":["https://orcid.org/0000-0003-2551-7754"]},"institutions":[{"id":"https://openalex.org/I154387261","display_name":"Vita-Salute San Raffaele University","ror":"https://ror.org/01gmqr298","country_code":"IT","type":"education","lineage":["https://openalex.org/I154387261"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"A Lazzarin","raw_affiliation_strings":["UNIVERSIT\u00c0 VITA-SALUTE, SAN RAFFAELE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UNIVERSIT\u00c0 VITA-SALUTE, SAN RAFFAELE","institution_ids":["https://openalex.org/I154387261"]}]},{"author_position":"middle","author":{"id":null,"display_name":"A Saracco","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I154387261","display_name":"Vita-Salute San Raffaele University","ror":"https://ror.org/01gmqr298","country_code":"IT","type":"education","lineage":["https://openalex.org/I154387261"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"A Saracco","raw_affiliation_strings":["UNIVERSIT\u00c0 VITA-SALUTE, SAN RAFFAELE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UNIVERSIT\u00c0 VITA-SALUTE, SAN RAFFAELE","institution_ids":["https://openalex.org/I154387261"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061276283","display_name":"Maria Luisa Moro","orcid":"https://orcid.org/0000-0003-3586-977X","observed_orcids":["https://orcid.org/0000-0003-3586-977X"]},"institutions":[{"id":"https://openalex.org/I27897274","display_name":"Istituto Superiore di Sanit\u00e0","ror":"https://ror.org/02hssy432","country_code":"IT","type":"government","lineage":["https://openalex.org/I27897274"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"M L Moro","raw_affiliation_strings":["Istituto Superiore di Sanit\u00e0 ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istituto Superiore di Sanit\u00e0 ,","institution_ids":["https://openalex.org/I27897274"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070343534","display_name":"David Vlahov","orcid":"https://orcid.org/0000-0002-3449-8068","observed_orcids":["https://orcid.org/0000-0002-3449-8068"]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D Vlahov","raw_affiliation_strings":["Johns Hopkins University ("],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Johns Hopkins University (","institution_ids":["https://openalex.org/I145311948"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4752,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.63338799,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"35","issue":"3","first_page":"435","last_page":"41"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11282","display_name":"Fibromyalgia and Chronic Fatigue Syndrome Research","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"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/T11282","display_name":"Fibromyalgia and Chronic Fatigue Syndrome Research","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"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/T11368","display_name":"Long-Term Effects of COVID-19","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"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/T11950","display_name":"Cardiovascular Syncope and Autonomic Disorders","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/chronic-fatigue-syndrome","display_name":"chronic fatigue syndrome","score":0.996999979019165},{"id":"https://openalex.org/keywords/idiopathic-chronic-fatigue","display_name":"idiopathic chronic fatigue","score":0.9860000014305115},{"id":"https://openalex.org/keywords/case-definition","display_name":"case definition","score":0.8709999918937683},{"id":"https://openalex.org/keywords/diagnostic-criteria","display_name":"diagnostic criteria","score":0.6700000166893005},{"id":"https://openalex.org/keywords/signs-and-symptoms","display_name":"signs and symptoms","score":0.8190000057220459},{"id":"https://openalex.org/keywords/acute-onset","display_name":"acute onset","score":0.7089999914169312},{"id":"https://openalex.org/keywords/sore-throat","display_name":"sore throat","score":0.7720000147819519},{"id":"https://openalex.org/keywords/lymphadenopathy","display_name":"lymphadenopathy","score":0.8119999766349792},{"id":"https://openalex.org/keywords/pharyngitis","display_name":"pharyngitis","score":0.8320000171661377},{"id":"https://openalex.org/keywords/infectious-processes","display_name":"infectious processes","score":0.46299999952316284}],"concepts":[{"id":"https://openalex.org/C2779566273","wikidata":"https://www.wikidata.org/wiki/Q209733","display_name":"Chronic fatigue syndrome","level":2,"score":0.9396893978118896},{"id":"https://openalex.org/C2777870961","wikidata":"https://www.wikidata.org/wiki/Q1292082","display_name":"Sore throat","level":2,"score":0.8278152346611023},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7989579439163208},{"id":"https://openalex.org/C2779279270","wikidata":"https://www.wikidata.org/wiki/Q2085267","display_name":"Pharyngitis","level":2,"score":0.686334490776062},{"id":"https://openalex.org/C3020395016","wikidata":"https://www.wikidata.org/wiki/Q5113974","display_name":"Chronic fatigue","level":3,"score":0.6525322794914246},{"id":"https://openalex.org/C3018875020","wikidata":"https://www.wikidata.org/wiki/Q1441305","display_name":"Signs and symptoms","level":2,"score":0.5039801001548767},{"id":"https://openalex.org/C187212893","wikidata":"https://www.wikidata.org/wiki/Q123028","display_name":"Pediatrics","level":1,"score":0.4560707211494446},{"id":"https://openalex.org/C1862650","wikidata":"https://www.wikidata.org/wiki/Q186005","display_name":"Physical therapy","level":1,"score":0.4141702353954315},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.32563552260398865},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.20319706201553345}],"mesh":[{"descriptor_ui":"D000293","descriptor_name":"Adolescent","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":"D002908","descriptor_name":"Chronic Disease","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005221","descriptor_name":"Fatigue","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D005221","descriptor_name":"Fatigue","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D005221","descriptor_name":"Fatigue","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","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":"D007558","descriptor_name":"Italy","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011795","descriptor_name":"Surveys and Questionnaires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015673","descriptor_name":"Fatigue Syndrome, Chronic","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D015673","descriptor_name":"Fatigue Syndrome, Chronic","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D015673","descriptor_name":"Fatigue Syndrome, Chronic","qualifier_ui":"Q000523","qualifier_name":"psychology","is_major_topic":false},{"descriptor_ui":"D015994","descriptor_name":"Incidence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018709","descriptor_name":"Statistics, Nonparametric","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"pmid:10721210","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10721210","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":"Annali dell'Istituto superiore di sanita","raw_type":"Comparative Study"},{"id":"pmh:oai:iris.uniroma1.it:11573/401506","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/11573/401506","pdf_url":null,"source":{"id":"https://openalex.org/S4377196107","display_name":"IRIS Research product catalog (Sapienza University of Rome)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"mag:154547002","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10721210","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":[{"id":"https://metadata.un.org/sdg/3","score":1.0,"display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[{"id":"https://metadata.un.org/sdg/3","score":0.800000011920929,"display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W340159795","https://openalex.org/W1735043105","https://openalex.org/W1824216224","https://openalex.org/W2001643830","https://openalex.org/W2031973992","https://openalex.org/W2069888375","https://openalex.org/W2098287790","https://openalex.org/W2098995722","https://openalex.org/W2105814519","https://openalex.org/W2130459043","https://openalex.org/W2144533226","https://openalex.org/W2164335332","https://openalex.org/W2339916801","https://openalex.org/W2472744999","https://openalex.org/W3143129303","https://openalex.org/W3144400994","https://openalex.org/W4235673608"],"related_works":["https://openalex.org/W238731755","https://openalex.org/W77410207","https://openalex.org/W2104120963","https://openalex.org/W2163089165","https://openalex.org/W2295196347","https://openalex.org/W35374509","https://openalex.org/W2099843476","https://openalex.org/W2117696166","https://openalex.org/W2470996043","https://openalex.org/W2031973992"],"abstract_inverted_index":{"The":[0,63,85],"aim":[1],"of":[2,12,18,46,56,114,141],"the":[3,8,26,35,38,43,49,53,108,112,124],"study":[4],"was":[5],"to":[6,77,94,130],"compare":[7],"signs":[9,137],"and":[10,58,74,81,136,138],"symptoms":[11,139],"individuals":[13,76],"meeting":[14],"two":[15],"different":[16],"definitions":[17],"chronic":[19],"fatigue":[20,31],"syndrome":[21],"(CFS).":[22],"Ninety-four":[23],"patients":[24,115],"fitting":[25],"eligibility":[27],"criteria":[28,110,126],"for":[29],"idiopathic":[30],"were":[32,67,88,127],"enrolled":[33],"into":[34],"study.":[36],"Of":[37],"94":[39],"patients,":[40],"48":[41],"met":[42,60],"1988":[44,71,92],"definition":[45,55],"CFS,":[47,57],"20":[48],"1994":[50,64,86,109,125],"(but":[51],"not":[52],"1988)":[54],"26":[59],"neither":[61],"definition.":[62],"defined":[65,72],"cases":[66,87,93],"more":[68],"likely":[69,90,129],"than":[70,91],"cases,":[73],"non-syndromal":[75],"be":[78],"male,":[79],"married,":[80],"high":[82],"school":[83],"educated.":[84],"less":[89,128],"present":[95],"acute":[96,133],"onset,":[97],"self":[98],"reported":[99],"sore":[100],"throat,":[101],"mild":[102],"fever":[103],"lymphadenopathy,":[104],"pharyngitis.":[105],"In":[106],"conclusion,":[107],"increased":[111],"number":[113],"classified":[116],"as":[117],"CFS;":[118],"however,":[119],"those":[120],"who":[121],"fit":[122],"only":[123],"have":[131],"an":[132,142],"symptomatic":[134],"onset":[135],"suggestive":[140],"infectious":[143],"process.":[144]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
