Cannabis and psychotic illness.
The British journal of psychiatry : the journal of mental science November 1, 1992 D C Mathers, A H Ghodse
In-patients with psychotic symptoms and cannabis-positive urine analysis were assessed by PSE within one week of admission and again at one and six months. Concurrently admitted psychotic patients with drug-free urine analysis were controls. At one week the two groups differed significantly on only five PSE items: changed perception, thought insertion, non-verbal auditory hallucinations,...