RT Journal Article SR Electronic T1 Return to Work after Coronary Artery Bypass Surgery ed by P. J. Walter JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 62 OP 62 VO 54 IS 1 A1 Donald A. Underwood YR 1987 UL http://www.ccjm.org/content/54/1/62.1.abstract AB