A longitudinal study of urinary excretion of N,N,-dimethyltryptamine in psychotic patients.
The British journal of psychiatry : the journal of mental science September 1980 S A Checkley, R M Murray, M C Oon et al.
The excretion of N,N,-dimethyltryptamine (DMT) has been measured in longitudinal studies of five patients with schizophrenic illnesses and in four patients with rapidly or slowly cycling manic-depressive illness. The excretion of DMT was frequently raised in patients when they were psychotic but was usually normal when they had recovered. However, rapid changes in the severity of illness or...