Antibiotic resistance of Salmonella in the eastern United States.
D000667:Ampicillin / Q000494:pharmacology*; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010403:Penicillin Resistance; D012475:Salmonella / Q000187:drug effects*; D014481:United States