However , the major problem still remains the high incidence of leukemic relapse following autologous PBSCT , which may be caused by the reinfusion of PBSC contaminated by leukemic cells .
however , the major problem still remains the high incidence of leukemic relapse following autologous pbsct , which may be caused by the reinfusion of pbsc contaminated by leukemic cells .
O O O O O O O O O O O O O O B-other_name B-other_name O O O O O O O O O B-cell_type O O B-cell_type I-cell_type O