TY  - RPRT
TI  - Cluster headache. Premonitory symptoms.
AU  - E Raimondi
PY  - 1999
DO  - 10.1046/j.1526-4610.1999.3908565.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11279972/
ID  - 11279972
ER  -