Atenolol Compared with Nifedipine:Effect on Cognitive Function and Mood in Elderly Hypertensive Patients
Ann Int Med 116:615-623, Skinner,M.H.,et al, 1992
Treatment of Sporadic Hemiplegic Migraine with Calcium-Channel Blocker Verapamil
Neurol 60:120-121, Yu,W. &Horowitz,S.H., 2003