@article{doi:10.1302/0301-620X.99B9.BJJ-2017-0938,
author = {Haddad, F. S.},
title = {What is the optimal level of expectation?},
journal = {The Bone & Joint Journal},
volume = {99-B},
number = {9},
pages = {1121-1122},
year = {2017},
doi = {10.1302/0301-620X.99B9.BJJ-2017-0938},
url = {https://doi.org/10.1302/0301-620X.99B9.BJJ-2017-0938}
}