Efficacy, safety, and acceptability of polyethylene glycol 3350 without electrolytes vs magnesium hydroxide in functional constipation in children from six months to eighteen years of age: A controlled clinical trial L. Worona-Dibner; R. Vázquez-Frias; L. Valdez-Chávez; M. Verdiguel-Oyola;

Esophagogastric junction outflow obstruction in the differential diagnosis of post-fundoplication dysphagia in children D.C. Godoy-Salgado; E.M. Toro-Monjaraz; T. Padilla-Cortés; J.F. Cadena-León; F. Zárate-Mondragón; A. Loredo-Mayer; K. Ignorosa-Arellano; R. Cervantes-Bustamante; J.A. Ramírez-Mayans;

A comparison of endoscopic procedures performed at a tertiary care hospital before and during the SARS-CoV-2 pandemic F.E. Zárate-Mondragón; M. Esparza-Aguilar; J.F. Cadena-León; K.R. Ignorosa-Arellano; E. Montijo-Barrios; E.M. Toro-Monjaráz; R. Cervantes-Bustamante; A.G. Ayala-Germán; J.A. Ramírez-Mayans;