RT Book, Section A1 Hay, Jr, William W. A1 Levin, Myron J. A1 Deterding, Robin R. A1 Abzug, Mark J. SR Print(0) ID 1145459551 T1 Von Willebrand Disease T2 Quick Medical Diagnosis & Treatment Pediatrics YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781264257614 LK accesspediatrics.mhmedical.com/content.aspx?aid=1145459551 RD 2024/04/19 AB Easy bruising and epistaxis from early childhoodMenorrhagiaProlonged platelet function analyzer (PFA)-100 (or bleeding time), normal platelet count, absence of acquired platelet dysfunctionReduced amount or abnormal activity of von Willebrand factor (vWF)