Authors: J A Jarcho; W McKenna; J A Pare; S D Solomon; R F Holcombe; S Dickie; T Levi; H Donis-Keller; J G Seidman; C E Seidman Journal: N Engl J Med Date: 1989-11-16 Impact factor: 91.245
Authors: L Fananapazir; C M Tracy; M B Leon; J B Winkler; R O Cannon; R O Bonow; B J Maron; S E Epstein Journal: Circulation Date: 1989-11 Impact factor: 29.690