Pharmaceuticals ... too much of a good thing.
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D002487:Centers for Disease Control and Prevention, U.S.; D018432:Drug Resistance, Multiple; D006801:Humans; D011008:Pneumococcal Infections / Q000188:drug therapy; D010818:Practice Patterns, Physicians' / Q000592:standards*; D014481:United States
D000900:Anti-Bacterial Agents