title: Letter: Chloramphenicol-resistant Haemophilus.
mesh_terms: D000115:Acetylesterase / Q000494:pharmacology; D002701:Chloramphenicol / Q000494:pharmacology*; D002855:Chromatography, Thin Layer; D004352:Drug Resistance, Microbial; D006190:Haemophilus / Q000187:drug effects* / Q000201:enzymology; D008826:Microbial Sensitivity Tests
chemical_list: D002701:Chloramphenicol; D000115:Acetylesterase