Authors: Neil M Ferguson; Derek A T Cummings; Simon Cauchemez; Christophe Fraser; Steven Riley; Aronrag Meeyai; Sopon Iamsirithaworn; Donald S Burke Journal: Nature Date: 2005-08-03 Impact factor: 49.962
Authors: Marion Koopmans; Berry Wilbrink; Marina Conyn; Gerard Natrop; Hans van der Nat; Harry Vennema; Adam Meijer; Jim van Steenbergen; Ron Fouchier; Albert Osterhaus; Arnold Bosman Journal: Lancet Date: 2004-02-21 Impact factor: 79.321