Superiority trial comparing intraoperative wound irrigation with aqueous 10% povidone–iodine to saline for the purpose of reducing surgical site infection after elective gastrointe... oleh Masaaki Saito, Ryo Maemoto, Hiroshi Noda, Kosuke Ichida, Sawako Tamaki, Rina Kanemitsu, Erika Machida, Nozomi Kikuchi, Ryotaro Sakio, Hidetoshi Aizawa, Taro Fukui, Nao Kakizawa, Yuta Muto, Masahiro Iseki, Rintaro Fukuda, Fumiaki Watanabe, Takaharu Kato, Shingo Tsujinaka, Yasuyuki Miyakura, Toshiki Rikiyama