he effect of monoclonal antihuman T-cell antibody(McAb-T) on hemopoietic progenitor cells of 19 patientswith severe aplastic anemia (SAA) was observed.

• 报告抗T淋巴细胞单克隆抗体（McAb－T）对重型再生障碍性贫血（SAA）造血祖细胞的影响。