title: [Tryptophan and sleep in chronic schizophrenics].
mesh_terms: D000328:Adult; D002908:Chronic Disease; D006801:Humans; D008297:Male; D012559:Schizophrenia / Q000503:physiopathology*; D012895:Sleep, REM / Q000187:drug effects*; D014364:Tryptophan / Q000494:pharmacology*
chemical_list: D014364:Tryptophan
vernacular_title: Triptofano e sonno in schizofrenici cronici.