?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Buzzetti%2C+E&rft.aufirst=E&rft.aulast=Buzzetti&rft.title=Cochrane+Database+of+Systematic+Reviews&rft.atitle=Lifestyle+modifications+for+nonalcohol-related+fatty+liver+disease%3A+a+network+meta-analysis&rft.volume=6&rft.date=11+June+2021&rft.genre=article