Syncope:Current Diagnostic Evaluation and Management
Ann Int Med 112:850-863, Manolis,A.S.,et al, 1990
Autonomic Involvement in Guillain-Barre Syndrome:A Review
Muscle & Nerve 17:1145-1155994., Zochodne,D.W., 1994
Natural History of Autonomic Neuropathy in Chronic Liver Disease
Lancet 339:1462-1464, Hendrickse,M.T.,et al, 1992
Diabetic Autonomic Neuropathy
BMJ 301:565-566, Bilous,R.W., 1990