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
Evaluation of the Immunotoxicity of Low Level PCB (Polychlorinated Biphenyl) Exposure in the Rat. Smialowicz, R. J; Andrews, J. E; Riddle, M. M; Rogers, R. R; Luebke, R. W.	PB90143066	1989	18 pages
In vitro Lymphocyte Proliferation Assays: The Mitogen-Stimulated Response and the Mixed Lymphocyte Reaction in Immunotoxicity Testing. Smialowicz, R. J.	PB92126911	1991	28 pages