A study on socio-medical variables of drug-dependent persons volunteering for treatment in Penang, Malaysia
Socio-economic aspects of drug control and related United Nations action
The distribution of illicit drug use: correlations between extent of use, heavy use and problems
Drug abuse in Poland
Cannabinoid composition and gland distribution in clone of Cannabis sativa L. (Cannabaceae)
Influence of photoperiodism on cannabinoid content of Cannabis sativa L.