Further experience with the syndromes produced by coca paste smoking
Trends in reported illegal narcotic use in Canada: 1956-1975
Symposium on marijuana: Rheims, France, 22-23 July 1978
The influence of cannabis on glucoregulation *
A summary of the results of a drug self-administration study using substitution procedures in rhesus monkeys
Pyrolysis of cannabinoids: a model experiment in the study of cannabis smoking
Non-medical drug use among intercollegiate athletes at five American universities
Proof of the consumption of cannabis
Environmental effects on morphine content in opium poppy (Papaver somniferum L.)