Transoral gastroplasty is safe, feasible, and induces significant weight loss in morbidly obese patients: results of the second human pilot study - Moreno, C; Closset, J; Dugardeyn, S; Baréa, M; Mehdi, A; Collignon, L; Zalcman, M; Baurain, M; Le Moine, O; Devière, J (Endoscopy, 2008)