title: Prothrombin level in coumarin-treated patients. A peculiar effect observed in a one-stage system using certain substrates.
mesh_terms: D000818:Animals; D001778:Blood Coagulation Disorders / Q000188:drug therapy; D002417:Cattle; D005168:Factor VII Deficiency / Q000097:blood / Q000151:congenital; D005170:Factor X / Q000032:analysis; D006801:Humans; D007020:Hypoprothrombinemias / Q000097:blood / Q000151:congenital; D011516:Prothrombin / Q000032:analysis*; D011817:Rabbits; D013552:Swine; D013925:Thromboplastin / Q000494:pharmacology; D014859:Warfarin / Q000627:therapeutic use*
chemical_list: D014859:Warfarin; D011516:Prothrombin; D005170:Factor X; D013925:Thromboplastin