Pradhan, Rabindra L, Wataru Watanabe, Eiji Itoi, Shin Yamada, Yoichi Shimada, and Kozo Sato. 2001. “Total Knee Arthroplasty in Bilateral Congenital Dislocation of the Patella--a Case Report”. Acta Orthopaedica 72 (4):422-24. https://doi.org/10.1080/000164701753542113.