1. From chasing the dragon to chinezen. The diVusion of heroin smoking in the;Grund, J.P.; Blanken, P.,1993
2. on Drug Abuse -NIDA-. Epidemiologic trends in drug abuse. Community Epidemiology Work Group;National Institute,1995
3. Crack use and injection on the increase among injecting drug users in London;Hunter, G.M.; Donoghoe, M.C.; Stimson, G.V.;Addiction,1995
4. New patterns of cocaine use: changing doses and routes;Siegel, R.K.;NIDA Research Monograph Series; use in America: epidemiological and clinical perspectives,1985
5. Cocaine and other stimulants;Gawin, F.H.; Ellinwood, E.H.;N Engl J Med,1988