title: Mixed connective tissue disease.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003095:Collagen Diseases / Q000175:diagnosis / Q000276:immunology; D003238:Connective Tissue; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012216:Rheumatic Diseases / Q000175:diagnosis*