title: [Calculating the number of patients necessary for designing a clinical study].
authors.forename: X
authors.initials: X
authors.lastname: Carné
authors.forename: V
authors.initials: V
authors.lastname: Moreno
authors.forename: M
authors.initials: M
authors.lastname: Porta Serra
authors.forename: E
authors.initials: E
authors.lastname: Velilla
mesh_terms: D001699:Biometry / Q000379:methods*; D002986:Clinical Trials as Topic; D006801:Humans; D008433:Mathematics; D012107:Research Design
vernacular_title: El cálculo del número de pacientes necesarios en la planificación de un estudio clínico.