P1327: RUXOLITINIB COMBINED WITH GLUCOCORTICOID IN THE FIRST-LINE TREATMENT OF GRAFT-VERSUS-HOST DISEASE IN CHILDREN: A SINGLE CENTER RETROSPECTIVE STUDY. (23rd June 2022) - Chen, K.; Zou, B.; Shao, J.-B.; Liu, Q.; Zhang, N.; Fu, P.; Sun, X.-H.; Jiang, H.