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anestecia (jan 1, 1842 – jan 1, 1846)

Description:

varios científicos descubren que ciertas sustancias químicas pueden ser utilizadas como anestesia por lo que es posible realizar la cirugia si dolor.

Added to timeline:

JHON EDWARD

25 Sep 2018

1

0

812

Date:

jan 1, 1842

jan 1, 1846

~ 4 years

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