title: Trends in sperm counts: the saga continues.
authors.affiliation: Department of Occupational and Environmental Medicine, Copenhagen University Hospital of Bispebjerg, Copenhagen, Denmark.
authors.forename: Jens Peter
authors.initials: JP
authors.lastname: Bonde
authors.forename: Cecilia Høst
authors.initials: CH
authors.lastname: Ramlau-Hansen
authors.forename: Jørn
authors.initials: J
authors.lastname: Olsen
mesh_terms: D003625:Data Collection / Q000592:standards; D006801:Humans; D008297:Male; D009845:Oligospermia / Q000453:epidemiology* / Q000209:etiology*; D012107:Research Design; D013076:Sperm Count / Q000592:standards / Q000706:statistics & numerical data*