TY  - RPRT
TI  - Cluster headache: a review.
AU  - A A Krabbe
PY  - 1986
DO  - 10.1111/j.1600-0404.1986.tb04617.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3532683/
ID  - 3532683
ER  -