RT Journal Article SR Electronic T1 A historical perspective: The more things change, the more they remain the same JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S65 OP S66 VO 75 IS 11 suppl 6 A1 Lombardo, Paul A. YR 2008 UL http://www.ccjm.org/content/75/11_suppl_6/S65.abstract AB