title: Is male reproductive health at risk? Longitudinal semen analysis studies.
authors.affiliation: Department of Medicine, University of Washington, Seattle, USA.
authors.forename: C A
authors.initials: CA
authors.lastname: Paulsen
authors.forename: N G
authors.initials: NG
authors.lastname: Berman
authors.forename: C
authors.initials: C
authors.lastname: Wang
mesh_terms: D005298:Fertility; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D012307:Risk Factors; D012661:Semen / Q000502:physiology*