title: The negative symptom challenge.
authors.affiliation: Department of Psychiatry, University of Maryland, Baltimore 21228.
authors.forename: W T
authors.initials: WT
authors.lastname: Carpenter
mesh_terms: D006801:Humans; D011379:Prognosis; D011569:Psychiatric Status Rating Scales; D012559:Schizophrenia / Q000145:classification / Q000175:diagnosis* / Q000503:physiopathology; D012565:Schizophrenic Psychology; D009626:Terminology as Topic