Letter to the editor: Importance of psychiatric confounding in non-randomized studies of heavy ecstasy users

Psychological Medicine

Volumn 39, Issue 5, 2009, Pages 876-878

  Krebs, T S ^a   Johansen, P O ^b   Jerome, L ^c   Halpern, J H ^d  

^a NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Norway)

^b NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Norway)

^c Multidisciplinary Association of Psychedelic Studies   (United States)

^d MCLEAN HOSPITAL   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

3,4 METHYLENEDIOXYMETHAMPHETAMINE; PSYCHEDELIC AGENT; STREET DRUG;

AGE DISTRIBUTION; ANXIETY; BRAIN DAMAGE; CHILD ABUSE; CHILD NEGLECT; COGNITION; COGNITIVE DEFECT; CONFABULATION; CULTURAL FACTOR; DEMOGRAPHY; DEPRESSION; DRUG ABUSE; EDUCATIONAL STATUS; EMPATHY; HUMAN; INTELLIGENCE QUOTIENT; LETTER; LIFESPAN; LIFESTYLE; LOVE; MENTAL DISEASE; METHODOLOGY; MULTIPLE DRUG ABUSE; RECALL; RETROSPECTIVE STUDY; RISK FACTOR; SEX DIFFERENCE; SYSTEMATIC ERROR; TABLET; VALIDITY; VERBAL MEMORY; ADDICTION; ALCOHOLISM; CHEMICALLY INDUCED DISORDER; COMORBIDITY; CROSS-SECTIONAL STUDY; DOSE RESPONSE; DRINKING BEHAVIOR; DRUG EFFECT; EPIDEMIOLOGY; LEARNING; NEUROPSYCHOLOGICAL TEST; NOTE; PSYCHOMETRY; STATISTICS;

ALCOHOL DRINKING; ALCOHOLISM; AMPHETAMINE-RELATED DISORDERS; BIAS (EPIDEMIOLOGY); COGNITION DISORDERS; COMORBIDITY; CROSS-SECTIONAL STUDIES; DOSE-RESPONSE RELATIONSHIP, DRUG; HALLUCINOGENS; HUMANS; MENTAL DISORDERS; MENTAL RECALL; N-METHYL-3,4-METHYLENEDIOXYAMPHETAMINE; NEUROPSYCHOLOGICAL TESTS; PSYCHOMETRICS; RETROSPECTIVE STUDIES; STREET DRUGS; SUBSTANCE-RELATED DISORDERS; VERBAL LEARNING;

EID: 66849097602     PISSN: 00332917     EISSN: 14698978     Source Type: Journal    
DOI: 10.1017/S0033291708005096     Document Type: Letter

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