TY  - RPRT
TI  - Cluster headache: imaging and other developments.
AU  - A May
AU  - P J Goadsby
PY  - 1998
DO  - 10.1097/00019052-199806000-00002
UR  - https://pubmed.ncbi.nlm.nih.gov/9642536/
ID  - 9642536
ER  -