Effects of endogenous cholecystokinin on gastric emptying and tolerance to a liquid volume load in humansThompson, David; Lal, Simon; McLaughlin, John; D'Amato, Massimo; Griffin, Patrick; Schneier, Harvey; Giacovelli, Giampaolo; Dockray, Graham; Varro, Andrea · American Journal of Gastroenterology · 2003