Authors: J J Langberg; A Leon; M Borganelli; S J Kalbfleisch; R el-Atassi; H Calkins; F Morady Journal: Circulation Date: 1993-05 Impact factor: 29.690
Authors: J J Gallagher; R H Svenson; J H Kasell; L D German; G H Bardy; A Broughton; G Critelli Journal: N Engl J Med Date: 1982-01-28 Impact factor: 91.245
Authors: C M Tracy; J F Swartz; R D Fletcher; H G Hoops; A J Solomon; P E Karasik; D Mukherjee Journal: J Am Coll Cardiol Date: 1993-03-15 Impact factor: 24.094