Authors: L W Britton; D T Eastlund; S W Dziuban; E D Foster; J B McIlduff; T E Canavan; T M Older Journal: Ann Thorac Surg Date: 1989-04 Impact factor: 4.330
Authors: L T Goodnough; S Rudnick; T H Price; S K Ballas; M L Collins; J P Crowley; M Kosmin; M S Kruskall; B A Lenes; J E Menitove Journal: N Engl J Med Date: 1989-10-26 Impact factor: 91.245