Risk factors of massive blood transfusion in liver transplantation: consequences and a new index for prediction including the donor Iago Justo; Alberto Marcacuzco; Óscar Caso; Alejandro Manrique; Álvaro García-Sesma; Adolfo García; Cristina Rivas; Carlos Jiménez-Romero;

Influence of the lockdown due to COVID-19 on weight-loss results during the first year after sleeve gastrectomy David Ruiz de Angulo; Andrés Balaguer Román; Vicente Munitiz Ruiz; Pedro José Gil Vázquez; Guadalupe Ruiz Merino; M. Ángeles Ortiz Escandell; Luisa F. Martínez de Haro; Pascual Parrilla Paricio;

Primary Neuroendocrine Carcinoma of the Breast Caridad Marín Hernández; Pedro José Galindo Fernández; Albert Caballero Illanes; Florentina Guzmán; Pascual Parrilla Paricio;