[Smoking habits of secondary school of students in Santiago, Chile].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000428:Alcohol Drinking; D002677:Chile; D005191:Family Characteristics; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors; D012907:Smoking; D013334:Students / Q000523:psychology
El hábito de fumar en estudiantes de educación media, en Santiago, Chile.