Descriptive study on the use of colonoscopy as a screening method for colorectal cancer F.E. Jabif; P.N. Cherne; C. Pintos; J.A. Pollán; A. Murujosa;

Impact of time to esophagogastroduodenoscopy in patients with nonvariceal upper gastrointestinal bleeding: A systematic review and meta-analysis H.G. Bilder; C. Soccini; J.S. Lasa; I. Zubiaurre;

Foreign body ingestion and associated factors in pediatric patients at a tertiary care center L.A. Navia-López; J.F. Cadena-León; K.R. Ignorosa-Arellano; E.M. Toro-Monjaraz; F. Zárate-Mondragón; A. Loredo-Mayer; R. Cervantes-Bustamante; J.A. Ramírez-Mayans;