title: Usefulness of direct immunofluorescence in patients with lupus erythematosus.
mesh_terms: D001706:Biopsy; D003165:Complement System Proteins / Q000032:analysis; D003937:Diagnosis, Differential; D005455:Fluorescent Antibody Technique; D006801:Humans; D007136:Immunoglobulins / Q000032:analysis; D008179:Lupus Erythematosus, Discoid / Q000175:diagnosis* / Q000276:immunology; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis* / Q000276:immunology; D008856:Microscopy, Fluorescence; D012867:Skin / Q000276:immunology
chemical_list: D007136:Immunoglobulins; D003165:Complement System Proteins