Influence of headache pain intensity and frequency on migraine-related disability in chronic migraine patients treated with OnabotulinumtoxinA.
Marta Torres-FerrusVictor José GallardoAlicia AlpuentePatricia Pozo-RosichPublished in: The journal of headache and pain (2020)
Headache pain intensity is as important as frequency when evaluating the clinical response and impact on patient headache-related disability after migraine preventive treatment with OnabotulinumtoxinA.