Hebert PL, Taylor LT, Wang JJ, Bergman MA. Methods for using data abstracted from medical charts to impute longitudinal missing data in a clinical trial. Value Health. 2011 Dec;14(8):1085-91. Epub 2011 Oct 12.
Hebert PL, Taylor LT, Wang JJ, Bergman MA. Methods for using data abstracted from medical charts to impute longitudinal missing data in a clinical trial. Value Health. 2011 Dec;14(8):1085-91. Epub 2011 Oct 12.