Mixed connective tissue disease.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003240:Connective Tissue Diseases / Q000145:classification; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008947:Mixed Connective Tissue Disease / Q000150:complications / Q000175:diagnosis* / Q000276:immunology; D011379:Prognosis