?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Dey%2C+Priyankar&rft.aulast=Dey&rft.aufirst=Priyankar&rft.issue=6&rft.volume=49&rft.date=November+2023&rft.atitle=The+opportunistic+nature+of+gut+commensal+microbiota&rft.title=Crit.+Rev.+Microbiol.&rft.pages=739-763&rft.genre=article