Authors: S M Johnson; D R Mauritson; M D Winniford; J T Willerson; B G Firth; J R Cary; L D Hillis Journal: Am Heart J Date: 1982-01 Impact factor: 4.749
Authors: G Gerstenblith; P Ouyang; S C Achuff; B H Bulkley; L C Becker; E D Mellits; K L Baughman; J L Weiss; J T Flaherty; C H Kallman; M Llewellyn; M L Weisfeldt Journal: N Engl J Med Date: 1982-04-15 Impact factor: 91.245