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NB4
NB4
NB4
例句：
1
Methods
Human
myeloid
leukemia
cells
,
K562
and
NB4
, were
transduced
by
MDR
retrovirus
and
the
resistant
cells
were selected.
方法
用
MDR
病毒
转导
人类
白血病
细胞
K562
和
NB4
，
获得
耐
药
细胞
系
；
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NB4NB4