Gersin KS, Rothstein RI, Rosenthal RJ, Stefanidis D, Deal SE, Kuwada TS, Laycock W, Adrales G, Vassiliou M, Szomstein S, Heller S, Joyce AM, Heiss F, Nepomnayshy D. Open-label, sham-controlled trial of an endoscopic duodenojejunal bypass liner for preoperative weight loss in bariatric surgery candidates. Gastrointest Endosc. 2010 May; 71(6):976-82.