title: Considerations on an international standard for the one-stage prothrombin time in the control of anticoagulant therapy.
mesh_terms: D001777:Blood Coagulation / Q000187:drug effects; D001779:Blood Coagulation Factors / Q000592:standards; D003374:Coumarins / Q000494:pharmacology / Q000592:standards*; D006801:Humans; D011517:Prothrombin Time / Q000592:standards*; D013997:Time Factors
chemical_list: D001779:Blood Coagulation Factors; D003374:Coumarins