?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=H+K&rft.au=Ngugi%2C+H+K&rft.aulast=Ngugi&rft.atitle=Prevalence%2C+incidence%2C+and+severity+of+sorghum+diseases+in+Western+Kenya&rft.title=Plant+Disease&rft.issn=0191-2917&rft.date=2002&rft.volume=86&rft.pages=65-70&rft.issue=1&rft.genre=article