Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleImproving the robustness and efficiency of covariate‐adjusted linear instrumental variable estimators.AuthorsVansteelandt, Stijn; Didelez, VanessaPublicationScandinavian Journal of Statistics, 2018, Vol 45, Issue 4, p941ISSN0303-6898Publication typeArticleDOI10.1111/sjos.12329