Burning Pain in the Legs
NEJM 383:e18, Sacks, C.A., 2020
Multiple Intracerebral Hemorrhages and Vasospasm Following Antimigrainous Drug Abuse
Headache 38:478-480, Nighoghossian,N.,et al, 1998
Cluster Headache
Neurol 42 (Suppl 2) :22-31992., Mathew,N.T., 1992