Clinical Trials for the Prevention of Gallstone Formation After Gastrectomy in Patient With Gastric Cancer

National Cancer Center, Goyang-si

Seoul Natioanl University Bundang Hospital, Seongnam-si

Chonnam National University Hwasun Hospital, Hwasun

Pusan National University Yangsan Hospital, Yangsan

Kyungpook National university Chilgok Hospital, Daegu

Chungnam National university hospital, Daejeon

Asan Medical Center, Seoul

Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul

The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul

Yonsei University Severance Hospital, Seoul

Ajou University Hospital, Suwon

Samsung Medical Center, Seoul