Collagen and prolyl hydroxylase levels in lungs of beagles exposed to air pollutants von Orthoefer, John G., Bhatnagar, Rajendra S., Rahman, Aquilur, Yang, You Yen, Lee, Si Duk, Stara, J.F.

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Effects of 90 days exposure to catalytically treated automobile exhaust in rats von Pepelko, William E., Orthoefer, John G., Yang, You-Yen

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Carcinogenicity of diesel exhaust as tested in strain a mice von Orthoefer, John G., Moore, Wellington, Kraemer, Dale, Truman, Freda, Crocker, Walden, You Yen Yang

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Salmonella Contamination in a Rendering Plant von Orthoefer, John G., Schrieber, Minnie, Nichols, James B., Schneider, Nathan

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