On the effectiveness of treatment for drug abuse: evidence from the DARP research programme in the United States
Control of narcotic substances and prevention of addiction in the USSR
Hill tribe opium addicts: a retrospective study of 1,382 patients
Drug and alcohol use, problems and availability among students in Mexico and Canada
Drug abuse among students in the State of Minas Gerais, Brazil
Opium smoking in the Frontier Province of Pakistan
Mutagenicity obtained experimentally by oral administration of dextroamphetamine sulphate to the rat
Constituents in Erythroxylum Coca I: gas chromatographic analysis of cocaine from three locations in Peru