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yusuki yusuki
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Posts: 2318
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9 years ago
What is a major factor leading to increased occurrence of cancer in the elderly?
a.   widespread vascular degeneration
b.   cumulative exposure to carcinogens
c.   hereditary factors
d.   increased immune surveillance

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monosaccharidemonosaccharide
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9 years ago
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yusuki Author
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9 years ago
This is wonderful, thank you for the help.
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9 years ago
Glad you found it helpful.
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