Syncope:Current Diagnostic Evaluation and Management
Ann Int Med 112:850-863, Manolis,A.S.,et al, 1990
Postural Tachycardia Syndrome
www.UptoDate.com,Aug, Cheshire,W.P., 2023
Clincopath Conf, Pheochromocytoma
NEJM 362:1815-1823, Case 14-2010, 2010
Assessment of Cardiovascular Effects in Diabetic Autonomic Neuropathy & Prognostic Implications
Ann Int Med 92:308-311, Ewing,D.J.,et al, 1980