Authors: C Roy D Lancaster; Ursula S Sauer; Roland Gross; Alexander H Haas; Jürgen Graf; Harald Schwalbe; Werner Mäntele; Jörg Simon; M Gregor Madej Journal: Proc Natl Acad Sci U S A Date: 2005-12-27 Impact factor: 11.205
Authors: K Norpoth; D Gottschalk; I Gottschalk; U Witting; H Thomas; D Eichner; E H Schmidt Journal: J Cancer Res Clin Oncol Date: 1980 Impact factor: 4.553