title: A circulating anticoagulant directed against factor XIa in systemic lupus erythematosus.
mesh_terms: D000328:Adult; D001241:Aspirin / Q000008:administration & dosage / Q000627:therapeutic use; D001778:Blood Coagulation Disorders / Q000209:etiology*; D001780:Blood Coagulation Tests; D005172:Factor XI; D005260:Female; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000097:blood* / Q000150:complications / Q000188:drug therapy; D010634:Phenobarbital / Q000008:administration & dosage / Q000627:therapeutic use
chemical_list: D005172:Factor XI; D001241:Aspirin; D010634:Phenobarbital