Author:Bill O'Halloran, DPM
Date Written:
Editor:Smith, Mary Ellen, BS
Edit Date:05/31/00
Reviewer:Gail Hendrickson, RN, BS
Date Reviewed:08/09/01
The Merck Manual of Medical Information, Home edition, 1997
Tierney, Lawrence, editor, "Current Medical Diagnosis and Treatment, 39th edition", 2000