de Jong JJ, Latenstein CSS, Boerma D, Hazebroek EJ, et al. Functional Dyspepsia and Irritable Bowel Syndrome are Highly Prevalent in
Patients With Gallstones and are Negatively Associated With Outcomes After
Cholecystectomy: A Prospective, Multicentre, Observational Study (PERFECT -
Trial). Ann Surg 2020 Sep 1. doi: 10.1097/SLA.0000000000004453.
PMID: 32889877