%0 Journal Article %T Improved Doubly Robust Estimation When Data Are Monotonely Coarsened, with Application to Longitudinal Studies with Dropout %A Tsiatis, Anastasios A. %A Davidian, Marie %A Cao, Weihua %J Biometrics %V 67 %N 2 %@ 0006-341X %D 2011-06-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve