Authors: L Constantin; J B Martins; M G Kienzle; S L Brownstein; M L McCue; R C Hopson Journal: Pacing Clin Electrophysiol Date: 1989-05 Impact factor: 1.976
Authors: T Meinertz; T Hofmann; W Kasper; N Treese; H Bechtold; U Stienen; T Pop; E R Leitner; D Andresen; J Meyer Journal: Am J Cardiol Date: 1984-03-15 Impact factor: 2.778