Fujii, T., Oka, H., Katsuhira, J., Tonosu, J., Kasahara, S., Tanaka, S., & Matsudaira, K. (2018). Disability due to knee pain and somatising tendency in Japanese adults. BMC Musculoskeletal Disorders, 19(1), 23. https://doi.org/10.1186/s12891-018-1940-y (Original work published 2018)