John S. Koppman

发表

A. Gandsas, Christina Li, J. Koppman, 2008, Journal of the American College of Surgeons.

P. Hensel, R. Marema, P. Ziemann-Gimmel, 2013, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.

R. Rosenthal, S. Szomstein, A. Ukleja, 2007, Surgical Endoscopy.

P. Hensel, R. Marema, P. Ziemann-Gimmel, 2013, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.