PENICILLIN PFIZER
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Chemicals For Those Who Serve Man's
Well-Being
Chas. Pfizer & Co., Inc. M A N U F A C T U R I N G CHEMISTS · ESTABLISHED 1849 81 MAIDEN LANE, NEW YORK 7, Ν. Υ. 444 WEST GRAND AVE., CHICAGO 10, ILL.
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