Chronic Daily Headache
Neurol 42:32-36, Sheftell,F.D., 1992
Migraine
NEJM 383:1866-1876, Ashina, M., 2020
Migraine--Current Understanding and Treatment
NEJM 346:257-270, Goadsby,P.J.,et al, 2002
Features of Medication Overuse Headache Following Overuse of Different Acute Headache Drugs
Neurol 59:1011-1014,972, Limmroth,V.,et al, 2002