File:Penicillin core.svg

SchwarzeMelancholie 613×392× (11041 bytes) {{Information |Description= Penicillin Core Structure. |Source= Own work. |Date= 23rdFeb.,09 |Author=~~~ |other_versions=

DescriptionPenicillin core.svg English: Chemical structure of the Penicillin core Deutsch: Gemeinsame Struktur von Penicilinen Date 20 July 2009 Source

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demonstrate that infections are here to stay: �� As early as the 1950s, penicillin began losing its ability to cure Staphylococcus aureus infections, also