Impact on survival outcome according to the types of surgery in early gallbladder cancer in the era of minimally invasive surgery: Safety of laparoscopic surgery. (April 2016) - Jang, J.-Y.; Han, Y.; Kwon, W.; Chang, J.; Kang, M.; Kim, S.-W.; Choi, D.W.; Choi, S.H.; Heo, J.-S.; Han, S.S.; Park, S.J.