title: [Problems in the standardization of a prothrombin test (a review of literature)].
authors.forename: S G
authors.initials: SG
authors.lastname: Vladimirova
authors.forename: L N
authors.initials: LN
authors.lastname: Tarasova
mesh_terms: D002138:Calibration; D006801:Humans; D011517:Prothrombin Time / Q000379:methods / Q000592:standards*; D011933:Reagent Kits, Diagnostic; D012015:Reference Standards; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity
chemical_list: D011933:Reagent Kits, Diagnostic