TY - JOUR AU - Eyre-Brook, A. L. DO - doi:10.1302/0301-620X.54B2.389-a UR - https://doi.org/10.1302/0301-620X.54B2.389-a TI - Clinical Electromyography T2 - The Journal of Bone & Joint Surgery British Volume VL - 54-B IS - 2 PY - 1972 SP - 389 EP - 390 ER -