title: Male infertility.
authors.affiliation: Rhode Island Hospital, USA. Mark_Sigman@brown.edu
authors.forename: M
authors.initials: M
authors.lastname: Sigman
mesh_terms: D006801:Humans; D015994:Incidence; D007248:Infertility, Male / Q000453:epidemiology / Q000209:etiology* / Q000628:therapy*; D008297:Male; D011379:Prognosis; D012099:Reproductive Techniques; D012307:Risk Factors