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;

Role of HLA-DQB1 alleles in the risk, signs and symptoms, and severity of celiac disease in a Venezuelan population M. Fernández-Mestre; D. Padrón-Lowe; E. Salazar-Alcalá; F. Blanco-Pérez;

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;