1. Health-related quality of life in ankylosing spondylitis: a survey of 175 patients;Ward;Arthritis Care Res.,1999
2. M. Leirisalo-Repo, K. Lehtinen, Spondylarthropatiat, in: H. Isomäki, M. Leirisalo-Repo, Hämäläinen M. Duodecim (Eds.), Reumataudit, Vammalan kirjapaino Oy, Vammala, 1994, pp. 222–229 (in Finnish).
3. Rehabilitation in joint and connective tissue diseases. 2. Inflammatory and degenerative spine diseases;Oh;Arch. Phys. Med. Rehabil.,1995
4. Disability in ankylosing spondylitis;Dalyan;Disability Rehabil.,1999
5. Selän ja rintakehän liikkuvuusmitat selkärankareumassa;Viitanen,1996