1. Hereditary Factor XI deficiency;Schwartz;J Oral Surg,1976
2. Plasma thromboplastin antecedent deficiency;Williams;Br J Oral Surg,1972
3. Factor XI deficiency in surgical patients;Bashevkin;NY State J Med,1979
4. Prostatectomy in Factor XI deficiency;Kaufman;J Urol,1977
5. Factor XI (PTA) deficiency: Surgical and obstetric aspects;Purcell;Obstet Gynecol,1970