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2. If the results of the campaigns are of temporary value only, for how long a time are the benefits of the campaigns appreciable in the betterment of the health of the people? 3. At the present time we believe that the two most important factors in hookworm disease prophylaxis are intensive treatment and
FURTHER OBSERVATIONS ON PERNICIOUS ANÆMIA (SEVEN CASES): A CHRONIC INFECTIVE DISEASE;: ITS RELATION TO INFECTION FROM THE MOUTH AND STOMACH; SUGGESTED SERUM TREATMENT