title: Hemophilus influenzae type b infections: recurrent disease due to ampicillin-resistant strains.
mesh_terms: D000667:Ampicillin / Q000627:therapeutic use*; D002701:Chloramphenicol / Q000627:therapeutic use; D005260:Female; D006192:Haemophilus Infections / Q000188:drug therapy* / Q000382:microbiology; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D007223:Infant; D008297:Male; D010403:Penicillin Resistance; D012008:Recurrence; D013045:Species Specificity
chemical_list: D002701:Chloramphenicol; D000667:Ampicillin