The Control of Hookworm Disease by the Intensive Method (Classic Reprint) - Softcover

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Excerpt from The Control of Hookworm Disease by the Intensive Method

1 Magnitude of the Problem. Hookworm disease is found in practically all countries which lie in the tropical and sub-tropical zones, extending from parallel 36 degrees north to parallel 30 degrees south. More than half the population Of the globe lives in this area. The control Of this disease is therefore an under taking Of enormous magnitude, which can be.

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