Kaifang Lu

Lu, K. F., & Tsiatis, A. A. (2005). Comparison between two partial likelihood approaches for the competing risks model with missing cause of failure. LIFETIME DATA ANALYSIS, 11(1), 29–40. https://doi.org/10.1007/s10985-004-5638-0

Lu, K. F., & Tsiatis, A. A. (2001). Multiple imputation methods for estimating regression coefficients in the competing risks model with missing cause of failure. BIOMETRICS, 57(4), 1191–1197. https://doi.org/10.1111/j.0006-341X.2001.01191.x