TY - RPRT TI - Multiple imputation versus data enhancement for dealing with missing data in observational health care outcome analyses. AU - Peter D Faris AU - William A Ghali AU - Rollin Brant AU - Colleen M Norris AU - P Diane Galbraith AU - Merril L Knudtson AU - APPROACH Investigators. Alberta Provincial Program for Outcome Assessment in Coronary Heart Disease PY - 2002 DO - 10.1016/s0895-4356(01)00433-4 UR - https://pubmed.ncbi.nlm.nih.gov/11809357/ ID - 11809357 ER -