TY  - RPRT
TI  - Through the needle approach for difficult epidurals.
AU  - W F Sellers
PY  - 1996
DO  - 10.1111/j.1365-2044.1996.tb07827.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8694191/
ID  - 8694191
ER  -