Author:Stuart Wolf, MD
Date Written:
Editor:Duff, Ellen, BA
Edit Date:05/11/00
Reviewer:Karen Preston, PHN, MS, CRRN
Date Reviewed:07/05/01
The Merck Manual of Medical Information, Home edition, 1997
Professional Guide to Diseases, Sixth Edition. Springhouse: Springhouse Corporation, 1998
Tierney, Lawrence, editor, "Current Medical Diagnosis and Treatment, 39th edition", 2000