Response to the letter to the editor: ¿The PPI test paradigm¿ M.A. Valdovinos-Díaz;

Response to Pérez-Nieto et al., ¿Considerations about the balanced crystalloid solution recommendation in acute variceal bleeding¿ J.A. Velarde-Ruiz Velasco; E.S. García-Jiménez; J.M. Aldana-Ledesma; F. Higuera-de la Tijera;

¿Good clinical practice recommendations for the management of gastroesophageal reflux disease¿. The PPI test paradigm D. García-Compeán; A.R. Jiménez-Rodríguez;