Herring, Amy H.; Ibrahim, Joseph G.; Lipsitz, Stuart R. - In: Journal of the Royal Statistical Society Series C 53 (2004) 2, pp. 293-310
Non-ignorable missing data, a serious problem in both clinical trials and observational studies, can lead to biased inferences. Quality-of-life measures have become increasingly popular in clinical trials. However, these measures are often incompletely observed, and investigators may suspect...
