1. Gallbladder disease in the morbidly obese;Amaral;Am J Surg,1985
2. Gallstones in patients with morbid obesity. Relationship to body weight, weight loss and gallbladder bile cholesterol solubility;Shiffman;Int J Obes Relat Metab Disord,1993
3. Gallstone formation after rapid weight loss: a prospective study in patients undergoing gastric bypass surgery for treatment of morbid obesity;Shiffman;Am J Gastroenterol,1991
4. Is concomitant cholecystectomy necessary in obese patients undergoing laparoscopic gastric bypass surgery?;Tucker;Surg Endosc,2008
5. Impact of rapid weight reduction on risk of cholelithiasis after bariatric surgery;Iglézias Brandão de Oliveira;Obes Surg,2003