%0 Journal Article %A A. Saifuddin %A G. Heffernan %A R. Birch %T Ultrasound diagnosis of shoulder congruity in chronic obstetric brachial plexus palsy %D 2002 %J The Journal of Bone & Joint Surgery British Volume %P 100-103 %V 84-B %N 1 %R 10.1302/0301-620X.84B1.0840100 %U https://doi.org/10.1302/0301-620X.84B1.0840100 %K