Authors: W Popp; C Vahrenholz; C Schell; G Grimmer; G Dettbarn; R Kraus; A Brauksiepe; B Schmeling; T Gutzeit; J von Bülow; K Norpoth Journal: Occup Environ Med Date: 1997-03 Impact factor: 4.402
Authors: W Popp; C Vahrenholz; H Przygoda; A Brauksiepe; S Goch; G Müller; C Schell; K Norpoth Journal: Int Arch Occup Environ Health Date: 1994 Impact factor: 3.015