TY  - JOUR
AU  - Macdonald, Donald
DO  - doi:10.1302/0301-620X.53B1.30
UR  - https://doi.org/10.1302/0301-620X.53B1.30
TI  - PRIMARY PROTRUSIO ACETABULI 
T2  - The Journal of Bone & Joint Surgery British Volume
VL  - 53-B
IS  - 1
PY  - 1971
SP  - 30
EP  - 36
ER  -