Erkki Karaharju

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

Mats Grönblad, Markku Hupli, Pekka Wennerstrand et al. · Clinical Journal of Pain · 1993 · 384 citations

A Controlled Immunohistochemical Study of Inflammatory Cells in Disc Herniation Tissue

Mats Grönblad, Johanna Virri, Jukka Tolonen et al. · Spine · 1994 · 255 citations

An Immunohistochemical Study of Nerve Structures in the Anulus Fibrosus of Human Normal Lumbar Intervertebral Discs

Tove Palmgren, Mats Grönblad, Johanna Virri et al. · Spine · 1999 · 168 citations

Innervation of human bone periosteum by peptidergic nerves

Mats Grönblad, Päivi Liesi, Olli Korkala et al. · The Anatomical Record · 1984 · 110 citations

Relationship of the Pain Disability Index (PDI) and the Oswestry Disability Questionnaire (ODQ) with Three Dynamic Physical Tests in a Group of Patients with Chronic Low-Back and Leg Pain

Mats Grönblad, Erkki Järvinen, Heikki Hurri et al. · Clinical Journal of Pain · 1994 · 107 citations