@article{doi:10.1302/0301-620X.55B4.742,
author = {Pugh, L. G. C. E.},
title = {THE OXYGEN INTAKE AND ENERGY COST OF WALKING BEFORE AND AFTER UNILATERAL HIP REPLACEMENT, WITH SOME OBSERVATIONS ON THE USE OF CRUTCHES},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {55-B},
number = {4},
pages = {742-745},
year = {1973},
doi = {10.1302/0301-620X.55B4.742},
url = {https://doi.org/10.1302/0301-620X.55B4.742}
}