Authors: R M Weintraub; P C Voukydis; J M Aroesty; S I Cohen; P Ford; G S Kurland; P J LaRaia; E Morkin; S Paulin Journal: Am J Cardiol Date: 1974-12 Impact factor: 2.778
Authors: R Michels; M Haalebos; P P Kint; F Hagemeijer; K Balakumaran; M van der Brand; P W Serruys; P G Hugenholtz Journal: Eur Heart J Date: 1980-02 Impact factor: 29.983