title: 21st century--Reproductive Medicine Network (RMN).
authors.forename: Phyllis C
authors.initials: PC
authors.lastname: Leppert
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D015337:Multicenter Studies as Topic; D009316:National Institutes of Health (U.S.); D018456:Reproductive Medicine; D012109:Research Support as Topic; D014481:United States