ROLE OF ROTATIONAL THROMBELASTOMETRY (ROTEM (R)) IN RAPID ESTIMATION OF RIVAROXABAN DRUG LEVEL - Chuah, H.; Pepperell, D.; Leahy, M.; Dixon, T.; Mukhtar, Syed Aqif; Kesavan, M.; Ling, J.; Sankhesara, D.; Brownell, P.; P'ng, S. (FERRATA STORTI FOUNDATION, 2016)