Authors: Dieter Leyk; Thomas Rüther; Max Wunderlich; Alexander Sievert; Dieter Essfeld; Alexander Witzki; Oliver Erley; Gerd Küchmeister; Claus Piekarski; Herbert Löllgen Journal: Dtsch Arztebl Int Date: 2010-11-19 Impact factor: 5.594
Authors: D Leyk; O Erley; D Ridder; M Leurs; T Rüther; M Wunderlich; A Sievert; K Baum; D Essfeld Journal: Int J Sports Med Date: 2007-06 Impact factor: 3.118
Authors: Jerome L Fleg; Christopher H Morrell; Angelo G Bos; Larry J Brant; Laura A Talbot; Jeanette G Wright; Edward G Lakatta Journal: Circulation Date: 2005-07-25 Impact factor: 29.690