Authors: F Lindgärde; R Jelnes; H Björkman; G Adielsson; T Kjellström; I Palmquist; L Stavenow Journal: Circulation Date: 1989-12 Impact factor: 29.690
Authors: P Schuff-Werner; E Schütz; W C Seyde; T Eisenhauer; G Janning; V W Armstrong; D Seidel Journal: Eur J Clin Invest Date: 1989-02 Impact factor: 4.686