Y,Kimura, H,Imamura, K,Inoue, K,Fujitani, Y,Miyake, J,Matsuyama, M,Tatsumi, T,Shimokawa, Y,Kurokawa, H,Furukawa.(2009). Phase III Trail of perioperative alone compared with perioperative plus postoperative antimicrobial prophylaxis in gastric cancer surgery (OGSG0501), IGCC2009.