TY  - RPRT
TI  - Postdural puncture headache and extradural blood patch.
AU  - L E Carrie
PY  - 1993
DO  - 10.1093/bja/71.2.179
UR  - https://pubmed.ncbi.nlm.nih.gov/8123388/
ID  - 8123388
ER  -