A study of the conscious motivations and the effects of marihuana smoking on a group of adolescents in Chile.
D000293:Adolescent; D002188:Cannabis / Q000009:adverse effects; D002677:Chile; D005260:Female; D006801:Humans; D008297:Male; D009042:Motivation; D012008:Recurrence; D012494:Sampling Studies; D012737:Sex Factors; D011795:Surveys and Questionnaires; D013997:Time Factors