TY  - RPRT
TI  - Headache after dural puncture.
AU  - P Barker
PY  - 1989
DO  - 10.1111/j.1365-2044.1989.tb13608.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2782581/
ID  - 2782581
ER  -