?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Roy%2C+Somendu+K&rft.aulast=Roy&rft.aufirst=Somendu+K&rft.volume=90&rft.date=October+2013&rft.issn=1873-6971&rft.atitle=NorA+efflux+pump+inhibitory+activity+of+coumarins+from+Mesua+ferrea.&rft.title=Fitoterapia&rft.pages=140-50&rft.genre=article