title: CagA status and gastric cancer unreliable serological tests produce unreliable data.
authors.forename: Y
authors.initials: Y
authors.lastname: Yamaoka
authors.forename: D Y
authors.initials: DY
authors.lastname: Graham
mesh_terms: D000942:Antigens, Bacterial / Q000097:blood*; D001426:Bacterial Proteins / Q000097:blood*; D016480:Helicobacter pylori / Q000276:immunology*; D006801:Humans; D015203:Reproducibility of Results; D012698:Serologic Tests; D013274:Stomach Neoplasms / Q000097:blood* / Q000382:microbiology
chemical_list: D000942:Antigens, Bacterial; D001426:Bacterial Proteins; C080866:cagA protein, Helicobacter pylori