TY  - RPRT
TI  - Headache and botulinum toxin.
AU  - Mauro Porta
AU  - Massimo Camerlingo
PY  - 2005
DO  - 10.1007/s10194-005-0222-x
UR  - https://pubmed.ncbi.nlm.nih.gov/16362701/
ID  - 16362701
ER  -