?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Kahan&rft.aufirst=Brennan+C&rft.au=Kahan%2C+Brennan+C&rft.title=Statistics+in+Medicine&rft.atitle=Estimands+for+factorial+trials&rft.date=25+June+2022&rft.genre=article