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美国费城医学院从红薯中提取出一种称为雄酮的活性物质,并证明后者能有效地抑制结肠癌和乳腺癌的发生,不仅如此,由于富
Philadelphia Medical School from the sweet potato extracted from an active substance called androsterone and proved that the latter can effectively inhibit the occurrence of colon and breast cancer, not only that, because of the rich