Cluster Headache
BMJ 344:e2407, Nesbitt,A.D.,et al, 2012
Parenteral Metoclopramide for Acute Migraine: Meta-Analysis of Randomised Controlled Trials
BMJ 329:1369-1372, Colman,I.,et al, 2004
Amitriptyline in the Treatment of Headache in Patients with Parkinson's Disease:Double-Blind Study
Neurol 38:1720-1721, Indaco,A.&Carrieri,P.B., 1988
Calcium Channels & Calcium Channel Antagonists
Ann Neurol 21:317-330, Greenberg,D.A., 1987