?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=BL&rft.aulast=De+Stavola&rft.au=De+Stavola%2C+BL&rft.volume=181&rft.atitle=Mediation+analysis+with+intermediate+confounding%3A+structural+equation+modeling+viewed+through+the+causal+inference+lens&rft.title=American+Journal+of+Epidemiology&rft.issue=1&rft.date=1+January+2015&rft.issn=1476-6256&rft.pages=64-80&rft.genre=article