Dalvand, S. ., Kasaeian, A. ., Vaezi, M. ., Rostami, S. ., Zeraati, H. ., & Yaseri, M. . (2026). Comparative Study of Burr-XII Nested Hazard Models: Simulation under Mixed Directional Effects and AML Data Analysis. International Journal of Statistics in Medical Research, 15, 292–311. https://doi.org/10.6000/1929-6029.2026.15.26