Use of amphetamine by medical students.
D000661:Amphetamine; D005221:Fatigue; D006801:Humans; D007858:Learning; D001523:Mental Disorders; D009294:Narcotics; D010820:Physicians; D013334:Students; D013337:Students, Medical; D019966:Substance-Related Disorders; D011795:Surveys and Questionnaires; D014944:World Health Organization
D009294:Narcotics; D000661:Amphetamine