?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Opie%2C+CF&rft.aufirst=CF&rft.aulast=Opie&rft.date=14+December+2016&rft.atitle=Postcopulatory+sexual+selection+influences+baculum+evolution+in+primates+and+carnivores&rft.volume=283&rft.issue=1844&rft.title=Proceedings+of+the+Royal+Society+B%3A+Biological+Sciences&rft.genre=article