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INSECTS AND DISEASES
A POLULAR ACCOUNT OF THE WAY IN WHICH INSECTS MAY SPREAD OR CAUSE SOME OF OUR COMMON DISEASES Von: RENNIE W. DOANE
User: user11
The subject of preventive medicine is one that is attracting world-wide attention to-day. We can hardly pick up a newspaper or magazine without seeing the subject discussed in some of its phases, and during the last few years several books have appeared devoted wholly or in part to the ways of preventing rather than curing many of our ills.
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