TY  - RPRT
TI  - Intractable headache: aseptic meningitis and sphenoidal sinusitis.
AU  - S D Silberstein
PY  - 1994
DO  - 10.1046/j.1468-2982.1994.1405376.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7828199/
ID  - 7828199
ER  -