title: Mixed connective tissue disease.
mesh_terms: D004417:Dyspnea / Q000150:complications*; D005260:Female; D006801:Humans; D008168:Lung / Q000473:pathology; D008180:Lupus Erythematosus, Systemic / Q000150:complications; D008875:Middle Aged; D012595:Scleroderma, Systemic / Q000150:complications* / Q000473:pathology