RT Journal Article SR Electronic T1 Cardiac denervation in patients with Parkinson disease JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S91 OP S94 VO 74 IS 2 suppl 1 A1 Penn, Marc S. A1 Young, James B. A1 Hahn, Joseph F. A1 Goldstein, David S. YR 2007 UL http://www.ccjm.org/content/74/2_suppl_1/S91.abstract AB