Objective To study the expression of proliferative antigens in leukemic cells and the relationship between the cell proliferation activity and the prognosis.
目的检测儿童急性淋巴细胞白血病细胞增殖性抗原表达情况，观察其与预后的关系。
Objective to observe the proliferative activity of endothelial cells in various types of congenital vascular lesions and that of the same type in different phases and to compare the mast cell counts.
目的了解先天性血管病变不同类型和同一类型不同时期的内皮细胞增殖情况及肥大细胞计数的变化。
Two factors were established during numerous studies: estrogen receptor expression and proliferative activity, i. e. , the rate of tumor cell division.
经过很多的研究之后确立了两个因素：雌激素受体表达和增殖能力也就是肿瘤细胞分解的速率。
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