@article{doi:10.1302/0301-620X.71B3.2722932, author = {Kamegaya, M and Moriya, H and Tsuchiya, K and Akita, T and Ogata, S and Someya, M}, title = {Arthrography of early Perthes' disease. Swelling of the ligamentum teres as a cause of subluxation}, journal = {The Journal of Bone & Joint Surgery British Volume}, volume = {71-B}, number = {3}, pages = {413-417}, year = {1989}, doi = {10.1302/0301-620X.71B3.2722932}, url = {https://doi.org/10.1302/0301-620X.71B3.2722932} }