The agar-plate or the cylinder-plate method of testing the effectiveness of antiseptics and antibiotics is now a well-known laboratory technique; and it is the basis of quantitative estimations of ...

Anon, Tentative Methods for the Determination of Antibiotics in Milk. Revised August 1958 (Food and Drug Administration, Washington, D.C.). Standard Methods for the Examination of Dairy Products, ...

Researchers at Uppsala University have developed a new method to determine - rapidly, easily and cheaply - how effective two antibiotics combined can be in stopping bacterial growth. The new method is ...

WHEN the results of a gram stain or culture of material in a serious case of staphylococcal infection become known, and before the susceptibility of the organism has been determined, the physician is ...