TY  - RPRT
TI  - Headache Recurrence and Treatment.
AU  - Sheena K. Aurora
AU  - John Dempsey
PY  - 2002
DO  - 10.1007/s11940-002-0043-z
UR  - https://pubmed.ncbi.nlm.nih.gov/12162921/
ID  - 12162921
ER  -