title: Commentary: "histiocytosis X".
authors.affiliation: Department of Histopathology, Freeman Hospital, Newcastle upon Tyne, UK.
authors.forename: D V
authors.initials: DV
authors.lastname: Parums
mesh_terms: D015415:Biomarkers; D003937:Diagnosis, Differential; D006646:Histiocytosis, Langerhans-Cell / Q000145:classification* / Q000175:diagnosis / Q000209:etiology / Q000473:pathology; D006801:Humans; D009626:Terminology as Topic
chemical_list: D015415:Biomarkers