We conclude that As2O3 treatment is an effective and relatively safe drug in APL patients refractory to ATRA and conventional chemotherapy .
we conclude that as2o3 treatment is an effective and relatively safe drug in apl patients refractory to atra and conventional chemotherapy .
O O O B-other_organic_compound O O O O O O O O O B-other_name B-multi_cell O O B-other_organic_compound O B-other_name I-other_name O