Frequency, risk and impact measures in epidemiology Carlos Ochoa Sangrador; Eduardo Ortega Páez; Manuel Molina Arias; Fernando Carvajal Encina; Eduardo Cuestas Montañes;

Improvement of intestinal inflammation after treatment with CFTR modulators in cystic fibrosis patients Ruth García Romero; Concepción López Cárdenes; Elena Crehuá Gaudiza; Marina Álvarez Beltrán; Mercedes Murray Hurtado; Carlos Tutau Gómez; Inés Loverdos Eseverri; Encarni Torcuato Rubio; Camila García Volpe; Enrique Salcedo Lobato; María Medina Martínez; Carmen Martin Fernández; Ana Moreno Álvarez; Ana Reyes Domínguez; David González Jiménez;

Reporting guidelines and a touch of critical appraisal Pilar Aizpurua Galdeano; Paz González Rodríguez; María Aparicio Rodrigo; Nieves Balado Insunza; Elena Pérez González; Juan Ruiz-Canela Cáceres; Eduardo Ortega Páez;