A new study of several leading brands of kids' canned foods has found various levels of bisphenol a (BPA), an estrogenic chemical that has been linked to breast cancer, in 12 cans tested.
2
双侧乳腺癌的发生与病理类型无关，未发现有乳腺癌家族史。
The occurrence of double sides breast cancer was not related to pathological types and family history.
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