TY  - RPRT
TI  - An aid for nerve block.
AU  - A P Winnie
PY  - 1980
DO  - 10.1111/j.1365-2044.1980.tb03756.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7396132/
ID  - 7396132
ER  -