Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKUMURA Noriaki and 牛山 敏夫 and 川崎 拓 and 松末 吉隆,Swan-Neck-Like Deformity of the Forefoot Associated with Rheumatoid Arthritis: A Case Report,Japanese Journal of Rheumatism and Joint Surgery,0287-3214,Japanese Society for Joint Diseases,2003,22,3/4,255-258,https://cir.nii.ac.jp/crid/1390282679737920384,https://doi.org/10.11551/jsjd1982.22.255