Christensen F, Soballe K, Ejsted R, Luxhoj T. The Catterall classification of Perthes' disease: an assessment of reliability. J Bone Joint Surg Br. 1986;68-B(4):614-615. doi:10.1302/0301-620X.68B4.3733840
Christensen, F, et al. “The Catterall classification of Perthes' disease: an assessment of reliability.”
The Journal of Bone & Joint Surgery British Volume, vol. 68-B, no. 4, 1986, pp. 614-615.,
https://doi.org/10.1302/0301-620X.68B4.3733840
Christensen, F., Soballe, K., Ejsted, R., & Luxhoj, T. (1986). The Catterall classification of Perthes' disease: an assessment of reliability.
The Journal of Bone & Joint Surgery British Volume,
68-B(4), 614-615.
https://doi.org/10.1302/0301-620X.68B4.3733840
Christensen, F., Soballe, K., Ejsted, R. and Luxhoj, T. (1986) “The Catterall classification of Perthes' disease: an assessment of reliability.”
The Journal of Bone & Joint Surgery British Volume, 68-B(4), pp. 614-615. Available at:
https://doi.org/10.1302/0301-620X.68B4.3733840
Christensen, F, K Soballe, R Ejsted, and T Luxhoj. “The Catterall classification of Perthes' disease: an assessment of reliability.”
The Journal of Bone & Joint Surgery British Volume 68-B, no. 4 (1986): 614-615.
https://doi.org/10.1302/0301-620X.68B4.3733840
