When, for instance, the cause of septic infection had been revealed, the prophylaxis of the disease became a possibility. [Please select]
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"Takes up essential points in evolution, environment, prophylaxis, and sanitation bearing upon the preservation of public health." [Please select]
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_--Treatment is absolutely useless, so far as we know at present, and for all practical purposes prophylaxis alone should be relied upon. [Please select]
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_--Prophylaxis should be carried out along three lines: (1) Separation of the sick from the healthy animals. [Please select]
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There is another possibility, however, which bears on the third line of prophylaxis. [Please select]
Do you have a better example in your mind? Please submit your sentence!