Relative risk of adolescent drug abuse: Part I Socio-demographic and interpersonal variables
Patterns of self-reported drug use among secondary school students in Bendel State, Nigeria
Transplantation, identity and drug addiction
Changes in the frequency of use and abuse of drugs by Los Angeles County methadone maintenance patients: an observation based on urine drug testings in 1975 and 1979
Differentiation and comparison of raw, prepared and dross opium
Analysis of micro-encapsulated d-limonene dimercaptan, a possible herbicide marker for Cannabis sprayed with paraquat, using gas chromatography
Recovery, separation and purification of narcotine and papaverine from Indian opium