title: ["Primary and secondary negative symptoms: a reliable differentiation?" Comment on the contribution by W. Barnett et al].
authors.forename: G P
authors.initials: GP
authors.lastname: Amminger
authors.forename: B
authors.initials: B
authors.lastname: Kirkpatrick
mesh_terms: D003702:Delusions / Q000145:classification / Q000175:diagnosis / Q000523:psychology; D003863:Depression / Q000145:classification / Q000175:diagnosis / Q000523:psychology; D006212:Hallucinations / Q000145:classification / Q000175:diagnosis / Q000523:psychology; D006801:Humans; D011569:Psychiatric Status Rating Scales; D011594:Psychometrics; D012559:Schizophrenia / Q000145:classification / Q000175:diagnosis*; D012565:Schizophrenic Psychology