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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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Penicilina (30 mar 1920 año – 9 jul 1930 año)
Descripción:
Alexander fleming descubre la penicilina
Añadido al timeline:
Sara isabel alzate
By
Octavo
19 sep 2018
0
0
805
fecha:
30 mar 1920 año
9 jul 1930 año
~ 10 years
Fotos:
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