RT Book, Section A1 Kaide, Colin G. A2 Cydulka, Rita K. A2 Fitch, Michael T. A2 Joing, Scott A. A2 Wang, Vincent J. A2 Cline, David M. A2 Ma, O. John SR Print(0) ID 1143143583 T1 Hemophilias and von Willebrand Disease T2 Tintinalli's Emergency Medicine Manual, 8e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9780071837026 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1143143583 RD 2024/04/18 AB The most common hemophilias are caused by genetic deficiencies of factor VIII (hemophilia A) or factor IX (hemophilia B).