The PT,PTR and INR of 60 patients treated with oral anticoagulants and 40 patients with liver disorders were determined with the two kinds of thromboplastin reagents.

• 用进口试剂和自制品测定60 例口服华法令抗凝治疗病人和40 例肝病患者的PT，求得PTR 和INR并进行比较。