title: Introductory remarks to the thromboplastin standard.
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use; D001778:Blood Coagulation Disorders / Q000188:drug therapy; D006801:Humans; D008722:Methods; D011517:Prothrombin Time / Q000592:standards*; D013925:Thromboplastin / Q000592:standards*
chemical_list: D000925:Anticoagulants; D013925:Thromboplastin