@article{doi:10.1302/0301-620X.85B4.13615, author = {Helm, A. T. and Karski, M. T. and Parsons, S. J. and Sampath, J. S. and Bale, R. S.}, title = {A strategy for reducing blood-transfusion requirements in elective orthopaedic surgery}, journal = {The Journal of Bone & Joint Surgery British Volume}, volume = {85-B}, number = {4}, pages = {484-489}, year = {2003}, doi = {10.1302/0301-620X.85B4.13615}, url = {https://doi.org/10.1302/0301-620X.85B4.13615} }