Hand-assisted laparoscopic vs. laparoscopic colorectal surgery: A multicenter, prospective, randomized trial

Peter W. Marcello, James W. Fleshman, Jeffrey W. Milsom, Thomas E. Read, Tracey D. Arnell, Elisa H. Birnbaum, Daniel L. Feingold, Sang W. Lee, Matthew G. Mutch, Toyooki Sonoda, Yan Yan, Richard L. Whelan