TY  - RPRT
TI  - Cluster headache pathogenesis: a pupillometric study.
AU  - R Salvesen
AU  - O Sjaastad
PY  - 1987
DO  - 10.1177/03331024870070s629
UR  - https://pubmed.ncbi.nlm.nih.gov/3442812/
ID  - 3442812
ER  -