Cai, Shengbin, and Xianhua Ma. 2021. “Delayed Laparoscopic Cholecystectomy After Percutaneous Transhepatic Gallbladder Drainage Versus Emergency Laparoscopic Cholecystectomy for Acute Cholecystitis: A Meta-Analysis”. Turkish Journal of Gastroenterology 32 (11):945-55. https://doi.org/10.5152/tjg.2021.20578.