Intel-correlation and Test-Retest Reliability of the Pain Disability Index (PDI) and the Oswestry Disability Questionnaire (ODQ) and Their Correlation with Pain Intensity in Low Back Pain Patients

Clinical Journal of Pain - Tập 9 Số 3 - Trang 189-195 - 1993
Mats Grönblad1, Markku Hupli1, Pekka Wennerstrand1, Erkki Järvinen1, Asko Lukinmaa1, Jukka-Pekka Kouri1, Erkki Karaharju1
1Spine Research Unit, Clinical Research Institute and Departments of Physical Medicine and Rehabilitation and Orthopaedics and Traumatology, Helsinki University Central Hospital, Helsinki, Finland

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