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1 ene 1721 año - The Royal Experiment

Descripción:

Prisoners and orphans are innoculated for small pox to ensure that the practice was safe

Añadido al timeline:

From A to Zika: Diseases and Medical Advancements Through Time

14 dic 2018

1

0

1211

fecha:

1 ene 1721 año

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~ 305 years ago

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