Association of travel distance, hospital volume and peri-operative outcomes following resection of gallbladder adenocarcinoma. (March 2019) - Beal, E.W.; Mehta, R.; Hyer, J.M.; Paredes, A.; Merath, K.; Dillhoff, M.E.; Cloyd, J.; Ejaz, A.; Tsung, A.; Pawlik, T.M.