[Committee publication] serial, 94th Congress. O. Effects of chronic exposure to low-level pollutants in environment, prepared for Subcommittee on Environment and Atmosphere, 94th Congress, 1st session, by [John E. Blodgett, Joseph P. Biniek, James M. McCullough, John R. Justus, and George A. Costello], Congressional Research Service, Library of Congress; Nov. 1975.

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