title: [Multicentric clinical trials: an attempt to homogenize criteria in the use of subjective measurements].
authors.forename: J M
authors.initials: JM
authors.lastname: Badenas
authors.forename: A
authors.initials: A
authors.lastname: Cobos
authors.forename: M
authors.initials: M
authors.lastname: Abadías
authors.forename: J
authors.initials: J
authors.lastname: Peña-Casanova
mesh_terms: D015337:Multicenter Studies as Topic / Q000379:methods* / Q000706:statistics & numerical data
vernacular_title: Ensayos clínicos multicéntricos: un intento de homogeneizar criterios en el uso de medidas subjetivas.