title: [Clinical investigation methods: errors, fallacies and challenges].
authors.affiliation: Instituto Municipal de Investigación Médica (IMIM), Universidad Autónoma de Barcelona.
authors.forename: M
authors.initials: M
authors.lastname: Porta Serra
mesh_terms: D015982:Bias; D006801:Humans; D011897:Random Allocation; D012107:Research Design
vernacular_title: Métodos de investigación clínica: errores, falacias y desafíos.