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The Medical Journal of Australia|August 18, 1984
Effects of swimming on healthB Powis, A Hazzard
Addiction (Abingdon, England)|August 1, 1994
Sexual behaviour and its relationship to drug-taking among prostitutes in south LondonM Gossop, B Powis, P Griffiths, et al.
The American Journal on Addictions|June 12, 1999
Heroin chasers and heroin injectors: differences observed in a community sample in London, UKJ Strang, P Griffiths, B Powis, et al.
AIDS Care|January 1, 1993
Severity of heroin dependence and HIV risk. I. Sexual behaviourM Gossop, P Griffiths, B Powis, et al.
British Journal of Addiction|November 1, 1992
Severity of dependence and route of administration of heroin, cocaine and amphetaminesM Gossop, P Griffiths, B Powis, et al.
AIDS Care|January 1, 1993
Severity of heroin dependence and HIV risk. II. Sharing injecting equipmentM Gossop, P Griffiths, B Powis, et al.
Drug and Alcohol Review|January 1, 1995
Heterosexual anal intercourse, health risks and drug use: a review with special attention to drug usersB Powis, P Griffiths, M Gossop, et al.
The British Journal of Psychiatry : the Journal of Mental Science|May 1, 1994
Cocaine: patterns of use, route of administration, and severity of dependenceM Gossop, P Griffiths, B Powis, et al.
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