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8 фев 1858 г. - Paul Louis Simond

Описание:

French army physican
Working w/ pastuer
experimente with rats if fleas can transmit fleas to eachother.

Добавлено на ленту времени:

new disease

14 дек 2018

1

0

553

Дата:

8 фев 1858 г.

Сейчас

~ 167 г назад

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