Authors: S A Strickberger; K C Man; E G Daoud; R Goyal; K Brinkman; B P Knight; R Weiss; M Bahu; F Morady Journal: Ann Intern Med Date: 1997-09-15 Impact factor: 25.391
Authors: K A Glatter; J Cheng; P Dorostkar; G Modin; S Talwar; M Al-Nimri; R J Lee; L A Saxon; M D Lesh; M M Scheinman Journal: Circulation Date: 1999-03-02 Impact factor: 29.690