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6 янв 1939 г. - Dichloro-diphenyl-trichloroethane (DDT) discovered as antimalarial AND mosquito repellant, 1939 Othmer Zeilder

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Malaria

ByW1ltomnom
22 июн 2018

Дата:

6 янв 1939 г.
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~ 85 г назад
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