Stimson Gerry V, Thom Betsy, Costall Paddy
London School of Hygiene and Tropical Medicine and Knowledge-Action-Change, United Kingdom.
Middlesex University, London, United Kingdom.
Int J Drug Policy. 2014 Jul;25(4):653-5. doi: 10.1016/j.drugpo.2014.05.003. Epub 2014 May 16.