Green tea has a considerable amount of polyphenolic catechins and has been promoted to have beneficial effects on health......

雌性激素（戊酸雌二醇和已酸孕酮）和钴－66γ线联合作用于金黄地鼠胚胎细胞，可诱发该细胞的非程序性DNA合成（UDS）。但在给予诱变剂以前加入......