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Historic Drug Companies and Pharmaceutical Co.

Information about Drug Companies prior to 1958
This is a partial list of the Drug Companies of the United States Prior to 1958. Most of the information contained here was taken from old versions of the Physicians' Desk Referrence. (PDR) for Pharmaceutical Specialties & Biologicals 1955 9th Edition.

This site contains information about the drugs and uses of those drugs of the American Drug Companies.