Parkinsonism & Related Disorders
Volume 14, Issue 3 , Pages 233-238, April 2008

Concurrent validation of the 21-item and 6-item Hamilton Depression Rating Scale versus the DSM-IV diagnostic criteria to assess depression in patients with Parkinson's disease: An exploratory analysis

  • Marcos Serrano-Dueñas

      Affiliations

    • Abnormal Movement Disorder Clinic, Neurological Service, Hospital Carlos Andrade Marín, Ecuador
    • Medicine Faculty, Pontificia Universidad Católica del Ecuador, Ecuador
    • Sciences Faculty, Escuela Politécnica Nacional, Ecuador
    • Corresponding Author InformationCorresponding author. Abnormal Movement Disorder Clinic, Neurological Service, Hospital Carlos Andrade Marín, P.O. Box 17-03-1694, Quito, Ecuador.
    • ,
  • María Soledad Serrano

      Affiliations

    • Medicine Faculty, Pontificia Universidad Católica del Ecuador, Ecuador

Received 24 May 2007; received in revised form 30 August 2007; accepted 31 August 2007.

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PII: S1353-8020(07)00199-X

doi:10.1016/j.parkreldis.2007.08.013

Parkinsonism & Related Disorders
Volume 14, Issue 3 , Pages 233-238, April 2008

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