TY  - RPRT
TI  - Cluster headache: symptomatic treatment.
AU  - P Torelli
AU  - G C Manzoni
PY  - 2004
DO  - 10.1007/s10072-004-0267-7
UR  - https://pubmed.ncbi.nlm.nih.gov/15549518/
ID  - 15549518
ER  -