Dose-response and biased set study of an amphetamine and a barbiturate.
D000293:Adolescent; D000328:Adult; D000661:Amphetamine / Q000008:administration & dosage*; D001463:Barbiturates / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D010919:Placebos; D011581:Psychological Tests; D012649:Self Concept; D012718:Set, Psychology; D013997:Time Factors
D001463:Barbiturates; D010919:Placebos; D000661:Amphetamine