title: Falsely elevated carbohydrate antigen 19-9 level due to heterophilic antibody interference but not rheumatoid factor: a case report.
authors.forename: Yan
authors.initials: Y
authors.lastname: Liang
authors.forename: Zaixing
authors.initials: Z
authors.lastname: Yang
authors.forename: Weimin
authors.initials: W
authors.lastname: Ye
authors.forename: Jie
authors.initials: J
authors.lastname: Yang
authors.forename: Mingjun
authors.initials: M
authors.lastname: He
authors.forename: Renqian
authors.initials: R
authors.lastname: Zhong
mesh_terms: D000328:Adult; D000368:Aged; D000910:Antibodies, Heterophile / Q000097:blood*; D018395:CA-19-9 Antigen / Q000097:blood*; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D007118:Immunoassay; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000097:blood*; D013997:Time Factors
chemical_list: D000910:Antibodies, Heterophile; D018395:CA-19-9 Antigen; D012217:Rheumatoid Factor