African trees kill both malaria mosquitoes and the parasite
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Karl Egil Malterud and Helle Wangensteen with bark from the african Olon tree, which contains chemicals that can kill both the…
Karl Egil Malterud and Helle Wangensteen with bark from the african Olon tree, which contains chemicals that can kill both the…
Karl Egil Malterud and Helle Wangensteen with bark from the african Olon tree, which contains chemicals that can kill both the…