Increased resistance in the pneumococcus.
D000900:Anti-Bacterial Agents / Q000494:pharmacology; D001419:Bacteria / Q000187:drug effects; D006801:Humans; D008826:Microbial Sensitivity Tests; D009512:New Guinea; D010400:Penicillin G / Q000494:pharmacology; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology* / Q000627:therapeutic use; D011014:Pneumonia / Q000188:drug therapy; D013296:Streptococcus pneumoniae / Q000187:drug effects* / Q000302:isolation & purification
D000900:Anti-Bacterial Agents; D010406:Penicillins; D010400:Penicillin G