Reference charts for the six-minute walk test in healthy school-aged children from the city of Zaragoza, Spain Ana Villamañán Montero; Carlos Martín de Vicente; Juan Pablo García Íñiguez; Feliciano Ramos Fuentes;

Acute cholecystitis as an adverse effect of treatment with elexacaftor/tezacaftor/ivacaftor in a patient with cystic fibrosis Carlos Martín de Vicente; Silvia Jade Cáceres Barrera; Celia Fuentes Sánchez; Cristina Gutiérrez Alonso; Ruth García Romero;

Severe adenovirus infection: presentation of 3 cases Ana Cristina Galindo García; Inés Teresa Bolsa Ferrer; Paula Casajús Pelegay; Ruth García Romero; Carlos Martín de Vicente;