?url_ver=Z39.88-2004&rft_id=10.1371%2Fjournal.pone.0199176&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.aulast=Ullah&rft.au=Ullah%2C+S.&rft.atitle=An+eigenspace+approach+for+detecting+multiple+space-time+disease+clusters%3A+Application+to+measles+hotspots+detection+in+khyber-pakhtunkhwa%2C+Pakistan&rft.volume=13&rft.issn=19326203&rft.issue=6&rft.date=2018&rft.title=PLoS+ONE&rft.genre=article