RT Book, Section A1 Handel, Daniel A. A2 Cline, David M. A2 Ma, O. John A2 Cydulka, Rita K. A2 Meckler, Garth D. A2 Handel, Daniel A. A2 Thomas, Stephen H. SR Print(0) ID 56278085 T1 Chapter 135. Hemophilias and von Willebrand Disease T2 Tintinalli's Emergency Medicine Manual, 7e YR 2012 FD 2012 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-178184-8 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=56278085 RD 2024/04/23 AB The most common hemophilias are caused by genetic deficiencies of factor VIII (hemophilia A) or factor IX (hemophilia B).