@article{doi:10.1302/0301-620X.88B8.17534,
author = {Foss, N. B. and Kehlet, H.},
title = {Hidden blood loss after surgery for hip fracture},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {88-B},
number = {8},
pages = {1053-1059},
year = {2006},
doi = {10.1302/0301-620X.88B8.17534},
url = {https://doi.org/10.1302/0301-620X.88B8.17534}
}