Pneumococcal infections.
D000900:Anti-Bacterial Agents / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D006801:Humans; D008586:Meningitis, Pneumococcal / Q000453:epidemiology; D011008:Pneumococcal Infections / Q000453:epidemiology* / Q000401:mortality; D011018:Pneumonia, Pneumococcal / Q000453:epidemiology; D012306:Risk; D013156:Splenectomy / Q000009:adverse effects; D013296:Streptococcus pneumoniae / Q000145:classification / Q000187:drug effects; D014481:United States
D000900:Anti-Bacterial Agents