RT Journal Article SR Electronic T1 Pulmonary Complications of Open-Heart Operations JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 65 OP 83 VO 25 IS 2 A1 Kolff, Willem J. A1 Effler, Donald B. A1 Groves, Laurence K. A1 Hughes, C. Robert A1 McCormack, Lawrence J. YR 1958 UL http://www.ccjm.org/content/25/2/65.abstract AB