Journal of the Neurological SciencesVolume 429, Supplement, October 2021, 119269Onabotulinumtoxin-a during COVID-19 pandemic: Long-term efficacy in chronic migraineAuthor links open overlay panelMartina Locatelli, Francesca Schiano Di Cola, Salvatore Caratozzolo, Paolo Liberini, Renata Rao, Alessandro PadovaniShow moreShareCitehttps://doi.org/10.1016/j.jns.2021.119269Get rights and contentPrevious article in issueNext article in issueRecommended articlesCited by (0)View Abstract