The Effect of Preoperative Oral Antibiotics in the Prevention of Surgical Site Infection after Laparoscopic Colorectal Cancer Surgery: A Propensity Score Matching Study oleh Michihiro Kudou, Masayoshi Nakanishi, Yoshiaki Kuriu, Tomohiro Arita, Hiroki Shimizu, Jun Kiuchi, Keita Katsurahara, Hisashi Ikoma, Takeshi Kubota, Hitoshi Fujiwara, Kazuma Okamoto, Eigo Otsuji