?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Theodoulou%2C+A&rft.aufirst=A&rft.aulast=Theodoulou&rft.atitle=The+effect+of+individual-level+smoking+cessation+interventions+on+socioeconomic+inequalities+in+tobacco+smoking&rft.title=Cochrane+Database+of+Systematic+Reviews&rft.volume=2021&rft.date=15+December+2021&rft.issue=12&rft.genre=article