Handling Missing Data and Attrition Bias in Unbalanced Panel Data Sets: Multiple Imputation Techniques and Inverse Probability Weighting in Longitudinal Health Economics Research. OJEPAIAS [Internet]. 2025 Jun. 4 [cited 2025 Sep. 12];15(6):1-11. Available from: https://orientacademies.com/index.php/OJEPAIAS/article/view/2025-06-04