TY  - RPRT
TI  - Brachial plexus block and cervical rib.
AU  - R Alexander
AU  - M Hetreed
AU  - R Birch
PY  - 1994
DO  - 10.1007/bf03009850
UR  - https://pubmed.ncbi.nlm.nih.gov/8187267/
ID  - 8187267
ER  -