PB1949: ELTROMBOPAG IN CHINESE PATIENTS WITH REFRACTORY OR RELAPSED SEVERE APLASTIC ANEMIA: A NON-RANDOMIZED, OPEN-LABEL, MULTICENTER, PHASE II STUDY ASSESSING THE SAFETY AND EFFICACY OF ELTROMBOPAG. (23rd June 2022) - Chang, H.; He, G.; Fu, R.; Li, F.; Han, B.; Li, T.; Liu, L.; Mittal, H.; Jin, H.; Zhang, F.