title: Prothrombin times: when are they not the same?
authors.affiliation: University of North Carolina, Chapel Hill.
authors.forename: W T
authors.initials: WT
authors.lastname: Sawyer
mesh_terms: D006801:Humans; D007753:Laboratories / Q000592:standards*; D008297:Male; D011517:Prothrombin Time; D013923:Thromboembolism / Q000188:drug therapy; D013925:Thromboplastin / Q000592:standards*; D014859:Warfarin / Q000627:therapeutic use
chemical_list: D014859:Warfarin; D013925:Thromboplastin