title: Mixed connective tissue disease--an apparently distinct rheumatic disease syndrome associated with a specific antibody to an extractable nuclear antigen (ENA).
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000974:Antibodies, Antinuclear; D000918:Antibody Specificity; D003095:Collagen Diseases / Q000175:diagnosis / Q000188:drug therapy / Q000276:immunology*; D003168:Complement Fixation Tests; D003520:Cyclophosphamide / Q000627:therapeutic use; D003937:Diagnosis, Differential; D005260:Female; D005455:Fluorescent Antibody Technique; D006386:Hemagglutination Tests; D006801:Humans; D005779:Immunodiffusion; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009220:Myositis / Q000175:diagnosis; D011241:Prednisone / Q000627:therapeutic use; D012216:Rheumatic Diseases / Q000175:diagnosis / Q000188:drug therapy / Q000276:immunology*; D012595:Scleroderma, Systemic / Q000175:diagnosis; D013950:Thymus Gland / Q000276:immunology
chemical_list: D000974:Antibodies, Antinuclear; D003520:Cyclophosphamide; D011241:Prednisone