P1297: CLINICAL PROGNOSTIC MODEL OF OSTEONECROSIS OF THE FEMORAL HEAD AFTER ALLOGENEIC HEMATOPOIETIC STEM CELL TRANSPLANTATION - Bo Yang; Xiao-Lu Zhu; Hai-Xia Fu; Chen-Hua Yan; Yuan Kong; Yun He; Feng-Rong Wang; Yuan-Yuan Zhang; Xiao-Dong Mo; Wei Han; Jing-Zhi Wang; Yu Wang; et al. (HemaSphere, 2023)