Injecting drug use, risk behaviour and qualitative research in the time of AIDS / T. Rheodes, M. Barnard, J. Fountain, F. Hariga, N. R. Avilés, J. Vicente, U. Weber ; editorial group T. Rhodes, G. Greenwood, K. Robertson.    Lisbon : Luxembourg :  European Monitoring Centre for Drugs and Drug Addiction ; Office for Official Publications of the European Communities,  2001 . 125 s.