TY - RPRT TI - Model-based approaches to analysing incomplete longitudinal and failure time data. AU - J W Hogan AU - N M Laird DO - 10.1002/(sici)1097-0258(19970215)16:3<259::aid-sim484>3.0.co;2-s UR - https://pubmed.ncbi.nlm.nih.gov/9004396/ ID - 9004396 ER -