目的观察老年早期大鼠应用雌激素后卵巢结构及功能的变化。
Objective To observe the changes of the structure and function of ovary in the early stage of aging mice after application of estrogen.
本研究比较了一种联合化疗药物(标准治疗方法)与单一药物对65岁及以上老年早期乳腺癌患者的疗效。
The study compared a combination of chemotherapy drugs - the standard treatment - to a single drug in patients with early-stage breast cancer aged 65 and older.
值得注意的是，关于年轻工人的投诉已经持续了20多年，但随着早期工人队伍的老龄化，关于老年工人的类似投诉并没有增加。
Significantly, complaints regarding younger workers have persisted for over two decades, but similar complaints regarding older workers have not grown as the earlier cohorts aged.
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