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8 май 1947 г. - Selman Waksman discovers effective treatment for plague

Описание:

streptomycin; 600 years after 1st plague outbreak

Добавлено на ленту времени:

AP Modern European History

29 окт 2018

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617

Дата:

8 май 1947 г.

Сейчас

~ 78 г назад

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