title: Declining sperm count. Rise in semen quality between 1970 and 1990 in meta-analysis was non-significant.
authors.forename: N
authors.initials: N
authors.lastname: Keiding
authors.forename: N E
authors.initials: NE
authors.lastname: Skakkebaek
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D015201:Meta-Analysis as Topic; D008875:Middle Aged; D012661:Semen / Q000502:physiology; D013076:Sperm Count; D013223:Statistics as Topic