title: Foreword to Semen Analysis in 21st Century Medicine special issue in Asian Journal of Andrology.
authors.forename: David J
authors.initials: DJ
authors.lastname: Handelsman
authors.forename: Trevor G
authors.initials: TG
authors.lastname: Cooper
mesh_terms: D033441:Andrology / Q000639:trends*; D003267:Contraception / Q000379:methods; D017408:Guidelines as Topic; D006801:Humans; D007248:Infertility, Male / Q000209:etiology; D008297:Male; D008370:Manuals as Topic; D055101:Semen Analysis / Q000639:trends*; D013094:Spermatozoa; D014944:World Health Organization