TY - JOUR AU - Twyman, R AU - Kirwan, T AU - Fennelly, M DO - doi:10.1302/0301-620X.72B5.2211752 UR - https://doi.org/10.1302/0301-620X.72B5.2211752 TI - Blood loss reduced during hip arthroplasty by lumbar plexus block T2 - The Journal of Bone & Joint Surgery British Volume VL - 72-B IS - 5 PY - 1990 SP - 770 EP - 771 ER -