RT Journal Article SR Electronic T1 Management of anesthesia for open heart surgery during pregnancy JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 121 OP 124 VO 43 IS 3 A1 F. George Estafanous A1 S. Buckley YR 1976 UL http://www.ccjm.org/content/43/3/121.abstract AB