Authors: C Knight; A S Kurbaan; H Seggewiss; M Henein; M Gunning; D Harrington; D Fassbender; U Gleichmann; U Sigwart Journal: Circulation Date: 1997-04-15 Impact factor: 29.690
Authors: S F Nagueh; N M Lakkis; Z X He; K J Middleton; D Killip; W A Zoghbi; M A Quiñones; R Roberts; M S Verani; N S Kleiman; W H Spencer Journal: J Am Coll Cardiol Date: 1998-07 Impact factor: 24.094