Volume 4-Issue 3-4-1997 Cutaneous leishmaniasis control in Al Hasa region, 1989-1996 Salmonella poisoning and chicken shawarmas, Western Riyadh, June 1997 Hepatitis A from unsafe water Survey on infection control in MOH dental clinics, Riyadh Doctors' knowledge of and attitudes toward NIDs for oral poliovirus vaccine in Riyadh, 1997