1. Atlantoaxial subluxation and spinal cord compression in psoriatic arthropathy;L, Pease C.T.Pozo J.;Atitz Rheum Dis,1987
2. Atlantoaxial subluxation in patients with scronegative spondylarthritis;T, Santavirta S.Slatis P.Sandelin J.Lindqvist C.Konttinen Y.;Rheutnatol lItt,1987
3. Rheumatoid cervical spine: natural history and indications of surgical treatment;J, Santavirta S.Konttinen Y.T.Sandelin;Sapporo Med J,1987
4. Atlantoaxial facet joint arthritis in the rheumatoid cervical spine;D, Santavirta S.Hopfncr-Hallikainen; P, Paukku; T, Sandelin J.Konttinen Y.;J Rheumatol
5. Inflammatory involvement of cervical spine ligaments in rheumatoid arthritis patients with atlantoaxial subluxation;V, Konttinen Y.T.Bergroth; S, Santavirta; J, Sandelin;J Rheumatol,1987