Trucco , Marco. “Two Cases of New Daily Persistent Headache Successfully Treated With Onabotulinum Toxin Type A (BoNT-A)”. Current Innovations in Medicine and Medical Science Vol. 7 (November 9, 2022): 169–178. Accessed June 10, 2026. https://stm.bookpi.org/CIMMS-V7/article/view/8651.