title: Tumour markers: same marker, different assay, different result.
authors.forename: R G
authors.initials: RG
authors.lastname: Jones
authors.forename: J H
authors.initials: JH
authors.lastname: Barth
authors.forename: H
authors.initials: H
authors.lastname: Mitchell
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood*; D006063:Chorionic Gonadotropin / Q000097:blood; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis*; D015203:Reproducibility of Results; D013954:Thyroglobulin / Q000097:blood
chemical_list: D014408:Biomarkers, Tumor; D006063:Chorionic Gonadotropin; D013954:Thyroglobulin