?url_ver=Z39.88-2004&rft_id=DOI%3A+10.22435%2Fbpk.v43i2.4144.105-116&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Widianto&rft.au=Widianto%2C+Widianto&rft.aufirst=Widianto&rft.title=Buletin+Penelitian+Kesehatan&rft.volume=43&rft.issue=2&rft.atitle=Proporsi+Seksio+Sesarea+dan+Faktor+yang+Berhubungan+dengan+Seksio+Sesarea+di+Jakarta&rft.issn=0125-9695&rft.date=June+2015&rft.pages=105-116&rft.genre=article