Auteur E. C. JOHNSTONE

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Substance use, psychiatric symptoms and the onset of schizophrenic illness

P. M. MILLER ; E. C. JOHNSTONE ; LAWRIE S.M. ; D. G. C. OWENS | 2006
Dans Journal of Substance Use (Vol.11 n°2, 2006) Article : Périodique

ENGLISH : Aims: To examine the effect of frequent cannabis use at various times during the lifetime upon the development of psychotic symptoms and of schizophrenia. Design: Cannabis use was examined within the Edinburgh High Risk Study (EHRS),[...]

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The genetic basis for smoking behavior: a systematic review and meta-analysis

M. R. MUNAFO ; T. G. CLARK ; E. C. JOHNSTONE ; M. F. G. MURPHY ; R. T. WALTON | 2004
Périodique

ENGLISH : Considerable evidence indicates that smoking behavior is under a degree of genetic influence. We conducted a systematic review of candidate gene studies of smoking behavior and, where sufficient studies existed, combined reported dat[...]

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