title: The concept of validity throughout the history of psychiatry.
authors.affiliation: Psychiatry Department, Faculty of Medicine, University of Lisbon, Lisbon, Portugal.
authors.forename: Diogo
authors.identifier: 0000-0003-4217-2823
authors.initials: D
authors.lastname: Telles Correia
mesh_terms: D039721:Diagnostic and Statistical Manual of Mental Disorders; D049673:History, 20th Century; D006801:Humans; D001523:Mental Disorders / Q000175:diagnosis / Q000266:history*; D011570:Psychiatry / Q000266:history* / Q000592:standards; D015203:Reproducibility of Results