TY  - JOUR
AU  - Purry, NA
DO  - doi:10.1302/0301-620X.64B3.7096393
UR  - https://doi.org/10.1302/0301-620X.64B3.7096393
TI  - The incidence of Perthes' disease in three population groups in the Eastern Cape region of South Africa
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 64-B
IS  - 3
PY  - 1982
SP  - 286
EP  - 288
ER  -