title: [Editorial: Mixed connective tissue disease].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D003095:Collagen Diseases / Q000276:immunology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D009626:Terminology as Topic
vernacular_title: Mieszana choroba tkanki łacznej