科学，医学，面向未来：母血中无细胞的胎儿DNA和RNA：对安全的产前测试的影响。
Science, Medicine, and the Future: Cell-free fetal DNA and RNA in maternal blood: implications for safer antenatal testing.
后囊混浊是由于术后位于晶状体前囊及赤道部的上皮细胞增殖，并迁移至无细胞的后囊所致。
In PCO, residual LECs in the anterior and equatorial regions of the lens capsule after surgery proliferate and migrate onto the previously acellular posterior capsule.
结果表明 SRS-82 株的无细胞提取液和其培养上清液的离心沉淀物皆具有致白血病活性。
The results showed that both the cell-free extract and culture supernate from mouse SRS-82 cell line were leukemogenic.
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