[Mitral regurgitation of unknown etiology in a 20-year-old patient].


cell function which had remained masked and asymptomatic because of insulin resistance in obesity, or pathological beta cell hyperplasia in response to certain humoral factors which are increased following gastric bypass. Specifically, an excessive increase in GLP-1 in response to a mixed meal has been seen in patients with this complication, unlike… (More)
DOI: 10.1016/j.endonu.2011.10.004