TY  - RPRT
TI  - [Subcutaneous sumatriptan in cluster headache: impossible mission].
AU  - J Pascual
AU  - J M Laínez
AU  - R Alberca
PY  - 1997
UR  - https://pubmed.ncbi.nlm.nih.gov/9121200/
ID  - 9121200
ER  -