RT Journal Article SR Electronic T1 The Appraisal of Cardiovascular Status in Infancy by Physical Examination JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 17 OP 22 VO 18 IS 1 A1 Sones, F. Mason A1 Schneckloth, R. E. YR 1951 UL http://www.ccjm.org/content/18/1/17.abstract AB