During the last 30 to 50 years, the researchers said, there has been a notable and continued increase in the incidence of testicular germ cell cancers among men, especially in Scandinavian countries.

 
  • 研究人员表示在过去的30到50年,男性睾丸生殖细胞癌发病率出现显著和持续增加,尤其是在斯堪的纳维亚国家。
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