%0 Journal Article %T A method for controlling complex confounding effects in the detection of adverse drug reactions using electronic health records %A Li, Ying %A Salmasian, Hojjat %A Vilar, Santiago %A Chase, Herbert %A Friedman, Carol %A Wei, Ying %J Journal of the American Medical Informatics Association %V 21 %N 2 %P 308-314 %@ 1067-5027 %D 2014-03-01 %I Oxford University Press %~ DeepDyve