A national standard for anticoagulant therapy: the Manchester comparative reagent.
D000925:Anticoagulants / Q000494:pharmacology / Q000592:standards*; D001777:Blood Coagulation / Q000187:drug effects; D004739:England; D006801:Humans; D007202:Indicators and Reagents; D011517:Prothrombin Time
D000925:Anticoagulants; D007202:Indicators and Reagents