Bacterial resistance to antibiotics.
D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001419:Bacteria / Q000187:drug effects*; D002648:Child; D006801:Humans; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology*
D000900:Anti-Bacterial Agents; D010406:Penicillins