Nakamura Ichiro, Michishita Kazuhiko, Tanno Makoto, Ito Katsumi
Department of Rheumatology and Orthopaedic Surgery, Yugawara Kosei-Nenkin Hospital, 438 Miyakami, Yugawara, Ashigara-shimo, Kanagawa, 259-0314, Japan.
J Orthop Sci. 2006 May;11(3):303-7. doi: 10.1007/s00776-005-1003-8.