The importance of sample size calculation in a retrospective study of recurrent and non-recurrent acute pancreatitis

Lopez-Valentin J.; Aguilar-Padilla A.; Tirado-Hurtado I. · Saudi Journal of Gastroenterology (2022) · DOI: 10.4103/sjg.sjg-309-22

Instituciones: Universidad Privada San Juan Bautista