Antibiotic-resistant pneumococci.
D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D006801:Humans; D008586:Meningitis, Pneumococcal / Q000188:drug therapy; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance; D010406:Penicillins / Q000134:cerebrospinal fluid / Q000494:pharmacology*; D011008:Pneumococcal Infections / Q000188:drug therapy; D013296:Streptococcus pneumoniae / Q000187:drug effects*
D000900:Anti-Bacterial Agents; D010406:Penicillins