Monocentric Prospective Study into the Sustained Effect of Incobotulinumtoxin A (XEOMIN®) Botulinum Toxin in Chronic Refractory Migraine.

Monocentric Prospective Study into the Sustained Effect of Incobotulinumtoxin A (XEOMIN®) Botulinum Toxin in Chronic Refractory Migraine.