Author:Danielle Zerr, MD
Date Written:
Editor:Duff, Ellen, BA
Edit Date:10/05/00
Reviewer:Gail Hendrickson, RN, BS
Date Reviewed:07/13/01
Professional Guide to Diseases, Springhouse Corporation, 1998
Current Medical Diagnosis and Treatment, Tierney, 2000
The Merck Manual of Medical Information, 1997