Authors: R O Bonow; S L Bacharach; M V Green; K M Kent; D R Rosing; L C Lipson; M B Leon; S E Epstein Journal: Circulation Date: 1981-08 Impact factor: 29.690
Authors: W S Colucci; R W Alexander; G H Williams; R E Rude; B L Holman; M A Konstam; J Wynne; G H Mudge; E Braunwald Journal: N Engl J Med Date: 1981-07-23 Impact factor: 91.245