Authors: Cornelia Baumgardt-Elms; Michael Schümann; Wolfgang Ahrens; Katja Bromen; Andreas Stang; Ingeborg Jahn; Christa Stegmaier; Karl-Heinz Jöckel Journal: Int Arch Occup Environ Health Date: 2004-12-07 Impact factor: 3.015
Authors: Vicki R Nelson; Jason D Heaney; Paul J Tesar; Nicholas O Davidson; Joseph H Nadeau Journal: Proc Natl Acad Sci U S A Date: 2012-08-24 Impact factor: 11.205