RT Journal Article SR Electronic T1 Migraine in a Patient with Essential Hypertension JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 221 OP 222 VO 5 IS 3 A1 C. R. K. Johnston YR 1938 UL http://www.ccjm.org/content/5/3/221.abstract AB