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feb 20, 1799 - la invenciòn de la anestesia
Description:
tuvo varias variantes respecto a los analgésicos que se fueron incorporando; el éter dominó el mercado hasta 1960.
Added to timeline:
” Inventos que revolucionaron el Mundo”
By
abril renata
20 Sep 2018
0
0
316
Date:
feb 20, 1799
Now
~ 225 years ago
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