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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 sept 1831 año - Leuchs first noted amylase activity in human saliva.
Añadido al timeline:
hofs
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99casmas05312
17 oct 2017
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fecha:
1 sept 1831 año
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~ 194 years ago
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