TY  - RPRT
TI  - An efficient technique for performing extradural blockade.
AU  - M Sosis
AU  - I Ahmad
PY  - 1984
DO  - 10.1093/bja/56.8.928
UR  - https://pubmed.ncbi.nlm.nih.gov/6743460/
ID  - 6743460
ER  -