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;