RT Journal Article SR Electronic T1 Clinical Recognition of Congenital Heart Disease by Joseph K. Perloff JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 284 OP 284 VO 55 IS 3 A1 Sterba, Richard YR 1988 UL http://www.ccjm.org/content/55/3/284.2.abstract AB