@article{doi:10.1302/0301-620X.72B5.2211752,
author = {Twyman, R and Kirwan, T and Fennelly, M},
title = {Blood loss reduced during hip arthroplasty by lumbar plexus block},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {72-B},
number = {5},
pages = {770-771},
year = {1990},
doi = {10.1302/0301-620X.72B5.2211752},
url = {https://doi.org/10.1302/0301-620X.72B5.2211752}
}