TY  - RPRT
TI  - Controversies in headache.
AU  - E P Chronicle
AU  - W Mulleners
PY  - 2004
DO  - 10.1111/j.1468-2982.2004.0658b.x
UR  - https://pubmed.ncbi.nlm.nih.gov/15030545/
ID  - 15030545
ER  -