New Botulinumtoxin A Formulation Lengthens Effect Time in Cervical Dystonia April 19, 2022 Neurology Today A new formulation of botulinumtoxin A improved symptoms of cervical dystonia with effects seen over five to six months, according to findings presented at the AAN Annual Meeting... Read More New Botulinumtoxin A Formulation Lengthens Effect Time in Cervical Dystonia