?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=D+H&rft.au=Kim%2C+D+H&rft.aulast=Kim&rft.atitle=Comparative+sequence+analysis+of+nitrogen+fixation-related+genes+in+six+legumes&rft.title=Frontiers+in+Plant+Science&rft.date=2013&rft.volume=4&rft.pages=1-8&rft.issue=300&rft.genre=article