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
Mouse Skin Tumors and Human Lung Cancer: Relationships with Complex Environmental Emissions. Nesnow, S.	PB89224562	1989	25 pages
Interspecies Sensitivity to Chemical Carcinogens: Relationships between Mouse Skin Tumors and Human Lung Cancer. Nesnow, S; Lewtas, J.	PB92158674	1992	38 pages