title: [Study of the habit of smoking in a group of cancer patients].
mesh_terms: D006801:Humans; D008487:Medical History Taking; D009369:Neoplasms / Q000209:etiology*; D012907:Smoking; D011795:Surveys and Questionnaires
vernacular_title: Estudio sobre el hábito de fumar en un grupo de enfermos tumorales.