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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 jul 1879 año - Steptococcus pyogens identified 1879, antibiotic in 1930s
Descripción:
First antibiotic
Añadido al timeline:
B HLTH 224
By
Johnny
14 dic 2018
1
0
522
fecha:
20 jul 1879 año
Ahora mismo
~ 146 years ago
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