TY  - RPRT
TI  - Further observations on postspinal headache.
AU  - N M Ramadan
PY  - 1998
DO  - 10.1046/j.1468-2982.1998.1810657-3.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9950620/
ID  - 9950620
ER  -