title: Waiting for the second coming.
authors.affiliation: Center for Research on Reproduction & Women's Health, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6142, USA.
authors.forename: Jerome F
authors.initials: JF
authors.lastname: Strauss
authors.forename: Michael
authors.initials: M
authors.lastname: Kafrissen
mesh_terms: D002986:Clinical Trials as Topic; D003270:Contraceptive Agents / Q000008:administration & dosage / Q000009:adverse effects / Q000191:economics / Q000494:pharmacology; D017277:Drug Approval; D015195:Drug Design; D005193:Family Planning Services; D005260:Female; D005786:Gene Expression Regulation; D006801:Humans; D008297:Male; D009316:National Institutes of Health (U.S.); D018456:Reproductive Medicine / Q000191:economics / Q000379:methods / Q000639:trends*; D012108:Research Personnel; D017211:Treatment Failure; D014481:United States; D000078329:Workforce
chemical_list: D003270:Contraceptive Agents