Author:Lynn West, MD
Date Written:
Editor:Crist, Gayle P., MS, BA
Edit Date:03/28/01
Reviewer:Eileen McLaughlin, RN, BSN
Date Reviewed:07/13/01
Professional Guide to Diseases, Sixth Edition. Springhouse: Springhouse Corporation, 1998
Tierney, Lawrence, editor, "Current Medical Diagnosis and Treatment, 39th edition", 2000
The Merck Manual of Medical Information, 1997