?url_ver=Z39.88-2004&rft_id=10.1073%2Fpnas.1703167114&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Qin%2C+Y.&rft.aulast=Qin&rft.aufirst=Y.&rft.issue=19&rft.volume=114&rft.date=April+2017&rft.issn=1091-6490&rft.atitle=Air+quality%2C+health%2C+and+climate+implications+of+China%E2%80%99s+synthetic+natural+gas+development&rft.title=Proceedings+of+the+National+Academy+of+Sciences&rft.pages=4887-4892&rft.genre=article