“PO-45 | Botulinum toxin in clinical practice: a turning point for chronic migraine and MOH: Chiara Zilli, Davide Chiffi, Giada Giuliani, Francesca Traccitto, Mariangela Fratino, Marta Altieri | Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy” (2025) Confinia Cephalalgica, 35(S1). doi:10.4081/cc.2025.15867.