title: Penicillin-tolerant Staphylococcus aureus.
mesh_terms: D005260:Female; D006801:Humans; D008875:Middle Aged; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology* / Q000627:therapeutic use; D011023:Pneumonia, Staphylococcal / Q000188:drug therapy / Q000382:microbiology; D013211:Staphylococcus aureus / Q000187:drug effects*
chemical_list: D010406:Penicillins