Long-term effect of sleeve gastrectomy vs Roux-en-Y gastric bypass in people living with severe obesity: a phase III multicentre randomised controlled trial (SleeveBypass)Research... oleh L Ulas Biter, Judith WH. ‘t Hart, Bo J. Noordman, J Frans Smulders, Simon Nienhuijs, Martin Dunkelgrün, Johannes F. Zengerink, Erwin Birnie, Irene AM. Friskes, Guido HH. Mannaerts, Jan A. Apers