TY  - RPRT
TI  - [Spinal anesthesia--time for reevaluation? Postspinal headache].
AU  - S A Evensen
AU  - P Stavem
AU  - R Stien
PY  - 1989
UR  - https://pubmed.ncbi.nlm.nih.gov/2617492/
ID  - 2617492
ER  -