TY  - RPRT
TI  - Naratriptan prophylactic treatment in cluster headache.
AU  - P J Eekers
AU  - P J Koehler
PY  - 2001
DO  - 10.1046/j.1468-2982.2001.00173.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11298668/
ID  - 11298668
ER  -