title: Primary pulmonary histiocytosis X: immunological analysis in two cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D001402:B-Lymphocytes; D005260:Female; D006646:Histiocytosis, Langerhans-Cell / Q000276:immunology*; D006801:Humans; D007073:Immunoglobulin E / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis; D007958:Leukocyte Count; D008171:Lung Diseases / Q000276:immunology*; D008213:Lymphocyte Activation; D008297:Male; D013601:T-Lymphocytes
chemical_list: D007136:Immunoglobulins; D007073:Immunoglobulin E