TY  - JOUR
AU  - Catterall, A.
DO  - doi:10.1302/0301-620X.53B1.37
UR  - https://doi.org/10.1302/0301-620X.53B1.37
TI  - THE NATURAL HISTORY OF PERTHES' DISEASE
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 53-B
IS  - 1
PY  - 1971
SP  - 37
EP  - 53
ER  -