TY - JOUR AU - Saifuddin, A. AU - Heffernan, G. AU - Birch, R. DO - doi:10.1302/0301-620X.84B1.0840100 UR - https://doi.org/10.1302/0301-620X.84B1.0840100 TI - Ultrasound diagnosis of shoulder congruity in chronic obstetric brachial plexus palsy T2 - The Journal of Bone & Joint Surgery British Volume VL - 84-B IS - 1 PY - 2002 SP - 100 EP - 103 ER -