title: [Appropriate sample for the evaluation of a diagnostic test?].
authors.forename: J M
authors.initials: JM
authors.lastname: Santos Lozano
authors.forename: J A
authors.initials: JA
authors.lastname: Guerra Hoyos
authors.forename: A
authors.initials: A
authors.lastname: Montaño Barrientos
authors.forename: J
authors.initials: J
authors.lastname: Ruiz-Canela Cáceres
mesh_terms: D003430:Cross-Sectional Studies; D005069:Evaluation Studies as Topic; D006801:Humans; D012680:Sensitivity and Specificity; D014552:Urinary Tract Infections / Q000150:complications* / Q000175:diagnosis; D014555:Urination Disorders / Q000209:etiology*