TY  - RPRT
TI  - Through the needle approach for difficult epidurals.
AU  - A B Ahmed
PY  - 1996
DO  - 10.1111/j.1365-2044.1996.tb12641.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8882271/
ID  - 8882271
ER  -