TY  - RPRT
TI  - A high spinal or a subdural block?
AU  - Clive Collier
PY  - 2004
DO  - 10.1016/j.ijoa.2004.02.004
UR  - https://pubmed.ncbi.nlm.nih.gov/15477068/
ID  - 15477068
ER  -