title: P3 and CT scan in patients with chronic schizophrenia.
authors.forename: K
authors.initials: K
authors.lastname: Barrett
authors.forename: W C
authors.initials: WC
authors.lastname: McCallum
authors.forename: P V
authors.initials: PV
authors.lastname: Pocock
mesh_terms: D002908:Chronic Disease; D005074:Evoked Potentials, Visual / Q000187:drug effects*; D006801:Humans; D010276:Parasympatholytics / Q000627:therapeutic use*; D012559:Schizophrenia / Q000503:physiopathology*
chemical_list: D010276:Parasympatholytics