8Smail F. Atibotic prophylaxis and cesarean section. Br J Obstet Gynecol, 1992,99:789~790.
9Bennigno BB, et al. Double blind, controlled comparison of piperacillin and cefoxitin in the prevention of postoperative infection, in patients undergoing cesarean section. Surg Gynecol Obstet,1986,162:1~7
10Cox SM et al. Single dose piperacillin prophylaxis for cesarean section. Curr Ther Rs, 1989,45: 540~542.