Authors: D W Muller; E J Topol; R M Califf; K N Sigmon; L Gorman; B S George; D J Kereiakes; K L Lee; S G Ellis Journal: Am Heart J Date: 1990-02 Impact factor: 4.749
Authors: A Cribier; L Korsatz; R Koning; P Rath; H Gamra; G Stix; S Merchant; C Chan; B Letac Journal: J Am Coll Cardiol Date: 1992-09 Impact factor: 24.094