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  Indian J Med Microbiol
 

Figure 4: A volunteer shows how the multiscaler works, Dr. Saul Hertz stands next to the machine (published with permission of the Dr. Saul Hertz archive)

Figure 4: A volunteer shows how the multiscaler works, Dr. Saul Hertz stands next to the machine (published with permission of the Dr. Saul Hertz archive)