Isolated Ophthalmic Migraine:Its Frequency, Mechanism & Diff. Diagnosis
Neuro-Ophthalmol 1972-Bascom Palmer Instit Symp, Ed, J. S. Smith., Hedges,T., 1972
Vasovagal Syncope
Ann Int Med 133:714-725, Fenton,A.M.,et al, 2000
Exacerbation of Vasodepressor Syncope by Beta-Adrenergic Blockade
NEJM 324:1219-1220, Chan,W.L.,et al, 1991