1 ene 1928 año - The discovery of penicillin

Descripción:

Benzylpenicillin was discovered in 1929 by Alexander Fleming and came into commercial use in 1942. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. The wholesale cost in the developing world is about 0.24 to 2.72 USD per day. In the United States a course of treatment costs 100 to 200 USD.

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