Author:Lynn West, MD
Date Written:
Editor:Duff, Ellen, BA
Edit Date:08/25/00
Reviewer:Gail Hendrickson, RN, BS
Date Reviewed:08/01/01
Professional Guide to Diseases, Sixth Ed., Springhouse, 1998
The Merck Manual of Medical Information, 1997
Instructions for Patients, HW Griffith, 1994