TY  - RPRT
TI  - Headache after spinal anaesthesia.
AU  - J A Reid
AU  - J Thorburn
PY  - 1991
DO  - 10.1093/bja/67.6.674
UR  - https://pubmed.ncbi.nlm.nih.gov/1768536/
ID  - 1768536
ER  -