Obese patients after gastric bypass surgery have lower brain-hedonic responses to food than after gastric banding

S Scholtz, AD Miras, N Chhina, CG Prechtl, ML Sleeth, NM Daud, NA Ismail, G Durighel, AR Ahmed, T Olbers, RP Vincent, J Alaghband-Zadeh, MA Ghatei, AD Waldman, GS Frost, JD Bell, CW le Roux, AP Goldstone