RT Journal Article SR Electronic T1 Use of the internal mammary artery for myocardial revascularization JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 109 OP 112 VO 43 IS 3 A1 Irarrazaval, Manuel J. YR 1976 UL http://www.ccjm.org/content/43/3/109.abstract AB