National survey of value of plasma standards for anticoagulant therapy.
D000925:Anticoagulants / Q000627:therapeutic use*; D005167:Factor VII; D006801:Humans; D010949:Plasma; D011517:Prothrombin Time / Q000592:standards; D013925:Thromboplastin / Q000592:standards*; D006113:United Kingdom
D000925:Anticoagulants; D005167:Factor VII; D013925:Thromboplastin