TY - JOUR AU - Ri, M; Aikou, S; Seto, Y TI - Obesity as a surgical risk factor JO - Ann Gastroenterol Surg VL - 2 PY - 2017 DO - 10.1002/ags3.12049 L3 - PubMed-ID: 29863119 SP - 13 EP - 21 ER -