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anestesia (apr 23, 1842 – nov 17, 2005)
Description:
Varios científicos descubren que ciertas sustancias químicas puede ser utilizadas como anestésico, por lo que es posible realizar la cirugía sin dolor
Added to timeline:
Angel hoyos
By
Octavo
30 Sep 2018
1
0
821
Date:
apr 23, 1842
nov 17, 2005
~ 163 years
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