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;

Cross-cultural adaptation to Spanish and content validity of three nutritional risk scales Evelin Balaguer López; Pablo García-Molina; Francisco Núñez; Elena Crehuá-Gaudiza; María Ángeles Montal Navarro; Consuelo Pedrón Giner; Isidro Vitoria Miñana; Carmen Jovaní Casano; Rafael Galera Martínez; Lilian Gómez-López; Gerardo Rodríguez Martínez; Cecilia Martínez-Costa;

Evaluation of liver function tests in the paediatric patient Víctor Fernández Ventureira; Ignacio Ros Arnal; Gerardo Rodríguez Martínez; Beatriz García Rodríguez; Ruth García Romero; Eduardo Ubalde Sainz;