TY  - JOUR
AU  - O'Garra, J. A.
DO  - doi:10.1302/0301-620X.41B3.465
UR  - https://doi.org/10.1302/0301-620X.41B3.465
TI  - THE RADIOGRAPHIC CHANGES IN PERTHES' DISEASE
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 41-B
IS  - 3
PY  - 1959
SP  - 465
EP  - 476
ER  -