National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

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Title/Authors	Accession Number	Publication Year	Page Count	Download
Lung Cancer and Indoor Air Pollution in Xuan Wei, China. Mumford, J. L; He, X. Z; Chapman, R. S; Cao, S. R; Harris, D. B.	PB88104179	1987	7 pages
DNA Adducts as Biomarkers for Assessing Exposure to Polycyclic Aromatic Hydrocarbons in Tissues from Xuan Wei Women with High Exposure to Coal Combustion Emissions and High Lung Cancer Mortality. Mumford, J. L; Lee, X; Lewtas, J; Young, T. L; Santella, R. M.	PB93236313	1993	7 pages