title: Surveillance for ampicillin-resistant Haemophilus influenzae type b strains in North Carolina.
mesh_terms: D000328:Adult; D000667:Ampicillin / Q000494:pharmacology*; D002648:Child; D006192:Haemophilus Infections / Q000382:microbiology*; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D009657:North Carolina; D010403:Penicillin Resistance
chemical_list: D000667:Ampicillin