7Guaschino S, De SD, De SF. New perspectives in antibiotic prophylaxis for obstetric and gynaecologieal surgery. J Hosp Infect ,2002, 50:13-16.
8Liabsuetrakul T, Lumbiganon P, Chongsuvivatwong V. Prophylactic antibiotic prescription for cesarean section. Ino J Qual Health Care, 2002,14(6) :503-508.