title: The British national thromboplastin.
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use; D006801:Humans; D011516:Prothrombin; D013925:Thromboplastin / Q000592:standards*; D006113:United Kingdom
chemical_list: D000925:Anticoagulants; D011516:Prothrombin; D013925:Thromboplastin