Determination of the historical changes in primary and secondary risk factors for cancer using U.S. public health records
Thesis (Sc. D.)--Massachusetts Institute of Technology, Division of Bioengineering and Environmental Health, 2001. === Includes bibliographical references (p. 346-354). === Overall cancer mortality rates have risen from about 4% of all deaths in the early 20th century to about 25% of all deaths by t...
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| Format: | Others |
| Language: | English |
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Massachusetts Institute of Technology
2008
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| Online Access: | http://hdl.handle.net/1721.1/41804 |