Author:Eileen McLaughlin, RN, BSN
Date Written:
Editor:Duff, Ellen, BA
Edit Date:10/09/00
Reviewer:Gail Hendrickson, RN, BS
Date Reviewed:07/05/01
Harrison's Principles of Internal Medicine, 1998, Fauci et al.
www.ama-assn.org/insight/gen_hlth/glossary/glos_s.htm