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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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30 nov 1850 ano - Mid 19th Century - middle and upper class start using hospitals, asepsis and anesthesia

Adicionado na linha do tempo:

Data:

30 nov 1850 ano
Agora
~ 175 years ago