The Journal of Headache and Pain 2023 May 11;24(1):51.doi: 10.1186/s10194-023-01583-4. Cécile Ortholan, Philippe Colin, Benjamin Serrano , Thibault Bouet, Nicolas Garnier, Maud le Guyader, Regis Amblard, Rémy Villeneuve, Stéphane Chanalet, Haiel Alchaar, Eric Bozzolo, Michel Lanteri-Minet, Denys Fontaine Abstract Background: This study compares the outcome of patients suffering from medically refractory classical
