Key points are not available for this paper at this time.
Some old methods are still in use because they are simple and effective. One such method is the disk diffusion (or agar diffusion) test (1, 2). The diameter of the clear zone around an antibiotic-paper disk enables us to directly, and elegantly, visualize the inhibitory potency of an antibiotic. This test is …
Ross Barnard (Tue,) studied this question.