TY  - RPRT
TI  - Important advances in headache.
AU  - Hans-Christoph Diener
PY  - 2004
DO  - 10.1016/s1474-4422(03)00612-4
UR  - https://pubmed.ncbi.nlm.nih.gov/14693101/
ID  - 14693101
ER  -