Seminars in Thrombosis and Hemostasis, Table of Contents Semin Thromb Hemost 1980; 6(1): 28-43DOI: 10.1055/s-2007-1005094 Copyright © 1979 by Thieme Medical Publishers, Inc.Factor IX ComplexDavid L. Aronson From the Bureau of Biologics, Food and Drug Administration, Bethesda, Md. Recommend Article Abstract PDF Download(opens in new window) Buy Article(opens in new window) PDF (1920 kb)