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1 ene 1929 año - Iron Lung developed

Descripción:

helps move air into the lungs for Polio patients

Añadido al timeline:

B HLTH 224

ByKelly Stevens

13 dic 2018

1

0

900

fecha:

1 ene 1929 año

Ahora mismo

~ 96 years ago

Fotos:

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