Ventura-León, José Luis
This article is maintained by: Elsevier
Article Title: ¿Existen los instrumentos validos? Un debate necesario
Journal Title: Gaceta Sanitaria
CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.gaceta.2016.09.007
Content Type: simple-article
Copyright: © 2016 SESPAS. Published by Elsevier España, S.L.U.