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。

youdao

Studies of treatment with estrogen, ginkgo biloba, vitamin E and vitamin B supplementation have been done.

CNN: Better understanding of dementia leading to more effective therapies