Cannabis-associated psychosis with hypomanic features.
Lancet (London, England) December 18, 1982 D Rottanburg, A H Robins, O Ben-Arie et al.
The mental state of 20 psychotic men with high urinary cannabinoid levels on admission to a psychiatric hospital was compared with that of 20 matched cannabis-free controls. All patients underwent toxicological analysis to exclude the presence of alcohol and other exogenous agents. Cannabis levels were measured by a semiquantitative enzyme immunological technique and mental state was assessed...