title: Within subject variance and estimating degrees of confidence that 0 sperm is the true value?
authors.affiliation: Organon, part of Schering-Plough, Oss, The Netherlands.
authors.forename: Wendy
authors.initials: W
authors.lastname: Kersemaekers
authors.affiliation: Organon, part of Schering-Plough, Oss, The Netherlands.
authors.forename: Ellen
authors.initials: E
authors.lastname: Mommers
mesh_terms: D053713:Azoospermia / Q000175:diagnosis*; D003267:Contraception / Q000379:methods*; D006801:Humans; D008297:Male; D015203:Reproducibility of Results; D013076:Sperm Count / Q000379:methods* / Q000592:standards*; D009626:Terminology as Topic