Cortical Blindness after Nifedipine Treatment
BMJ 305:693, Morton,C.&Hickey-Dwyer,M., 1992
Nifedipine in the Prophylaxis of Classic Migraine:A Crossover, Double-Masked, Placebo-Controlled Study of Headache
Neurol 39:284-286, McArthur,J.C.,et al, 1989
Calcium Channels & Calcium Channel Antagonists
Ann Neurol 21:317-330, Greenberg,D.A., 1987