Ursodeoxycholic acid for the prevention of symptomatic gallstone disease after bariatric surgery (UPGRADE): a multicentre, double-blind, randomised, placebo-controlled superiority trial.
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Lancet Gastroenterol Hepatol. 2021 Dec;6(12):993-1001. doi: 10.1016/S2468-1253(21)00301-0. Epub 2021 Oct 27.
Lancet Gastroenterol Hepatol. 2021.
PMID: 34715031
Clinical Trial.