title: [Need for greater accuracy in epidemiological studies].
authors.forename: A
authors.initials: A
authors.lastname: Salido Cano
authors.forename: N
authors.initials: N
authors.lastname: Sainz Sáenz-Torre
mesh_terms: D006801:Humans; D012494:Sampling Studies / Q000592:standards*; D012907:Smoking; D011795:Surveys and Questionnaires
vernacular_title: Necesidad de un mayor rigor en los estudios epidemiológicos.