Little, Roderick J; Murphy, Susan A.; D'Agostino, Ralph; Cohen, Michael L; Dickersin, Kay; Emerson, Scott S; Farrar, John T; Frangakis, Constantine; Hogan, Joseph W; Molenberghs, Geert; Neaton, James D; Rotnitzky, Andrea; Scharfstein, Daniel; Shih, Weichung J; Siegel, Jay P; Stern, Hal. (2012).
The Prevention and Treatment of Missing Data in Clinical Trials. New England Journal of Medicine. 367(14), 1355-1360.