@misc{indiciae158926e28887, title = {Headache and botulinum toxin.}, author = {Mauro Porta and Massimo Camerlingo}, year = {2005}, doi = {10.1007/s10194-005-0222-x}, url = {https://pubmed.ncbi.nlm.nih.gov/16362701/}, note = {Source identifier: 16362701} }