title: Ampicillin-resistant Hemophilus influenzae type b: a status report.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology* / Q000627:therapeutic use; D002701:Chloramphenicol / Q000494:pharmacology; D006192:Haemophilus Infections / Q000188:drug therapy / Q000382:microbiology*; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D007223:Infant; D008583:Meningitis, Haemophilus / Q000382:microbiology; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance; D014481:United States
chemical_list: D002701:Chloramphenicol; D000667:Ampicillin