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GEORGE GEE JACKSON, M.D.; MAXWELL FINLAND, M.D.

AMA Arch Intern Med. 1951;88(4):446-460.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THE DETERMINATION of the sensitivity of bacteria to antibiotics in vitro has become a common laboratory procedure, the results of which are widely used in defining the range and relative efficacy of antibiotics against different microorganisms. The results of tests for sensitivity are also generally used in the management of the specific therapy of patients with bacterial infections. The sensitivity of any given strain of organism to an antimicrobial agent is generally defined in terms of the concentration of the agent which inhibits the growth of the organism either partially or completely, or which kills the organisms within the time limit of the test.¹ Several methods of determining this value are in common use, and the results obtained with any given strain by the different methods may show wide discrepancies, depending on the details of the method and the choice of the end point.

This difficulty is well known . . . [Full Text PDF of this Article]

Author Affiliations
BOSTON

From the Thorndike Memorial Laboratory, Second and Fourth Medical Services (Harvard), Boston City Hospital, and the Department of Medicine, Harvard Medical School.

Footnotes
Dr. Jackson is Milton Fellow, Harvard Medical School.

This study was aided by grants from the United States Public Health Service and from the William F. Milton Fund.

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