Acquired inhibitors in nonhemophilic patients.

Arthritis, Rheumatoid/blood Azathioprine/therapeutic use Blood Coagulation Disorders Blood Coagulation Tests Blood Protein Disorders/blood Dermatitis/blood Drug Hypersensitivity/blood Enzyme Activation Exchange Transfusion, Whole Blood Factor IX Factor V Factor VIII/therapeutic use Factor X Factor XIII Female Hemorrhagic Disorders/etiology Humans Hypersensitivity/blood Hypoprothrombinemias/blood Lupus Erythematosus, Systemic/blood Pemphigus/blood Pregnancy Pregnancy Complications, Hematologic Steroids/therapeutic use von Willebrand Diseases/blood

Steroids Factor V Factor VIII Factor IX Factor X Factor XIII Azathioprine