Lopez-Aguiar AG, Ethun CG, McInnis MR, Pawlik TM, Poultsides G, Tran T, Idrees K, Isom CA, Fields RC, Krasnick BA, Weber SM, Salem A, Martin RCG, Scoggins CR, Shen P, Mogal HD, Schmidt C, Beal EW, Hatzaras I, Shenoy R, Cardona K, Maithel SK. Association of perioperative transfusion with survival and recurrence after resection of gallbladder cancer: A 10-institution study from the US Extrahepatic Biliary Malignancy Consortium. J Surg Oncol. 2018 Jun; 117(8):1638-1647.