title: Biological heterogeneity in schizophrenic patients.
mesh_terms: D001699:Biometry / Q000379:methods; D006801:Humans; D004130:N,N-Dimethyltryptamine / Q000652:urine*; D012559:Schizophrenia / Q000652:urine*; D014363:Tryptamines / Q000652:urine*
chemical_list: D014363:Tryptamines; D004130:N,N-Dimethyltryptamine