From the Cedars-Sinai Medical Center, Department of Pathology and Laboratory Medicine, Rita & Taft Schreiber Division of Transfusion Medicine, Los Angeles, California. Address reprint requests to: Alyssa Ziman, MD, UCLA Medical Center, 10833 Le Conte Avenue, Los Angeles, CA 90095; e-mail: [email protected]. Received for publication December 8, 2003; revision received January 29, 2004, and ...
