Clinical Manifestations and Diagnosis of Bicuspid Aortic Valve in Adults
UpToDate Nov, Braverman, D.C., 2014
Valve Disease Associated with Ergot Alkaloid Use:Echocardiographic and Pathologic Correlations
Ann Int Med 117:50-52, Redfield,M.M.,et al, 1992
Frequency, Etiology, and Prevention of Stroke in Patients with Systemic Lupus Erythematosus
Stroke 20:583-591, Futrell,N.&Millikan,C., 1989