Narcotics control in Switzerland
Socio-psychiatric problems of cannabis in Nigeria
Trial and failure of the ambulatory treatmentof (opiate) drug addiction in the United States
Pre-anaesthetic medication. Phenazocine and levo phenacylmorphan compared with morphine, pethidine and a placebo
World Health Organization Expert Committee on Addiction-producing Drugs: Thirteenth report
Note- Changes in the scope of control