title: Declining sperm counts in European men--fact or fiction?
authors.affiliation: Institute of Reproductive Medicine, University (WHO Collaborating Center for Research in Human Reproduction), Münster, Germany.
authors.forename: E
authors.initials: E
authors.lastname: Nieschlag
authors.forename: A
authors.initials: A
authors.lastname: Lerchl
mesh_terms: D005060:Europe; D006801:Humans; D008297:Male; D013076:Sperm Count