The impact of harm reduction-based methadone treatment on HIV infection and mortality / Miranda Willemina LangendamGebruik van diabetesmiddelen 1998 - 2003 / [aut.: M.W. Langendam]Gebruik van diabetesmiddelen 1998 - 2003 / [aut.: M.W. Langendam]The impact of harm reduction-based methadone treatment on HIV infection and mortality / Miranda Willemina Langendam