人工膀胱是人造器官，医学领域
尽管有人曾提出咖啡与人工甜味剂可增加膀胱癌发病的危险性，但这一点从未得到证实。
Although some have suggested that coffee and artificial sweeteners may increase bladder cancer risk, this has never been conclusively shown.
以穿透人工基底膜能力为依据筛选具有体外高侵袭能力的膀胱癌细胞，观察侵袭与转移的关系。
Using a specially constructed in vitro invasion chamber cells that penetrate the Matrigel were selected and cultured to establish offspring cell lines.
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