Authors: H H Hecht; C E Kossmann; R W Childers; R Langendorf; M Lev; K M Rosen; R D Pruitt; R C Truex; H N Uhley; T B Watt Journal: Am J Cardiol Date: 1973-02 Impact factor: 2.778
Authors: M B Rosenbaum; M V Elizari; P Chiale; R J Levi; G J Nau; M S Halpern; J O Lázzari; A Novakovsky Journal: Circulation Date: 1974-05 Impact factor: 29.690