[The marihuana problem].
D000328:Adult; D002188:Cannabis / Q000009:adverse effects / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry; D006801:Humans; D008297:Male; D011605:Psychoses, Substance-Induced / Q000209:etiology; D019966:Substance-Related Disorders
Het marihuana-probleem.