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front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |review |
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Consider these trends in the world’s tumor burden. Currently, the developing world is undergoing a decline in three cancers due partly to infectious agents as these agents have been controlled -- cancers of the stomach, liver, and cervix. |