TY - RPRT TI - Selection models and pattern-mixture models for incomplete data with covariates. AU - B Michiels AU - G Molenberghs AU - S R Lipsitz PY - 1999 DO - 10.1111/j.0006-341x.1999.00978.x UR - https://pubmed.ncbi.nlm.nih.gov/11315038/ ID - 11315038 ER -