Elfawal, M. A. M.B., Ch.B., M.S.c., Ph.D.; Awad, O. A. M.B., B.Ch., M.S.c., M.D.
From the Department of Pathology, College of Medicine and Medical Sciences, King Faisal University, (M.A.E.), and Dammam Medico-Legal Center (O.A.A.), Eastern Province, Dammam, Saudi Arabia.
Received April 25, 1996; accepted June 27, 1996.
Address correspondence and reprint requests to Dr. M.A. Elfawal, Mail Box 90, College of Medicine and Medical Sciences, King Faisal University, P.O. BOX 2114, Dammam 31451, Saudi Arabia.