Statistics
Publications
7
Citations
598
H-Index
7
Active since
1992
B. Powis is an author at Maudsley Hospital specializing in substance use disorders, substance use prevention, and drug use epidemiology.
Publications per year
1992–1997
7
7
Severity of heroin dependence and HIV risk. II. Sharing injecting equipment
Michael Gossop, Paul Griffiths, B. Powis et al. · AIDS Care · 1993 · 52 citations
Public Health, Infectious Disease Control, Hiv Prevention +11
Severity of heroin dependence and HIV risk. I. Sexual behaviour
Michael Gossop, Paul Griffiths, B. Powis et al. · AIDS Care · 1993 · 49 citations
First use of heroin: changes in route of administration over time.
John Strang, Paul Griffiths, B. Powis et al. · BMJ · 1992 · 49 citations · Full text
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