title: O034. Type of pain and onabotulinumtoxin-A in chronic migraine: four years of follow-up.
authors.affiliation: Department NeuroMuscolar Scheletric and Sensory Organs, SOD Neurophysiology, Florence, Italy. chiara.cesaretti@tiscali.it.|Regional Reference Center of Chemical Denervation (RRCCD), Careggi Hospital, Florence, Italy. chiara.cesaretti@tiscali.it.
authors.forename: Chiara
authors.initials: C
authors.lastname: Cesaretti
authors.affiliation: Department NeuroMuscolar Scheletric and Sensory Organs, SOD Neurophysiology, Florence, Italy.|Regional Reference Center of Chemical Denervation (RRCCD), Careggi Hospital, Florence, Italy.
authors.forename: Elisabetta
authors.initials: E
authors.lastname: Molesti
authors.affiliation: Department NeuroMuscolar Scheletric and Sensory Organs, SOD Neurophysiology, Florence, Italy.|University of Florence, Florence, Italy.
authors.forename: Francesco
authors.initials: F
authors.lastname: Lolli
authors.affiliation: Department NeuroMuscolar Scheletric and Sensory Organs, SOD Neurophysiology, Florence, Italy.|Regional Reference Center of Chemical Denervation (RRCCD), Careggi Hospital, Florence, Italy.
authors.forename: Aldo
authors.initials: A
authors.lastname: Amantini
authors.affiliation: Department NeuroMuscolar Scheletric and Sensory Organs, SOD Neurophysiology, Florence, Italy.|Regional Reference Center of Chemical Denervation (RRCCD), Careggi Hospital, Florence, Italy.
authors.forename: Silvia
authors.initials: S
authors.lastname: Lori