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Antibiotics have played a major role in our society thanks to Sir Alexander Fleming's careful observations in 1928. Without it, many lives would be in danger due to infectious diseases. Antibiotics are chemical substances produced by various species of microorganisms and other living systems that are capable in small concentrations of inhibiting the growth of or killing bacteria and other microorganisms. These organisms can be bacteria, viruses, fungi, or animals called protozoa. A particular group of …

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…the near future. Bibliography Bibliography 1. Pharmaceutical Preparations, Except Biologicals, 1978, Current Industrial Reports, Series MA28(78)-1, U.S. Department of Commerce, Bureau of the Census, Washington, D.C. 2. Synthetic Organic Chemicals, United States Production and Sales of Medicinal Chemicals, U.S. Tariff Commission (1972-73) United States International Trade Commission (1974-75), U.S. Government Printing Office, Washington, D.C. 3. L.S. Goodman and A. Gilman, The Pharmacological Basis of Therapeutics, 5th ed., Macmillan Publishing Co., New York, 1975.