Connective tissue diseases.
D000293:Adolescent; D000367:Age Factors; D001327:Autoimmune Diseases; D002648:Child; D002675:Child, Preschool; D003095:Collagen Diseases / Q000276:immunology / Q000473:pathology; D003882:Dermatomyositis; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008180:Lupus Erythematosus, Systemic; D008297:Male; D011247:Pregnancy; D011248:Pregnancy Complications; D012594:Scleroderma, Localized; D012595:Scleroderma, Systemic; D012867:Skin / Q000473:pathology; D012871:Skin Diseases / Q000276:immunology / Q000473:pathology; D013472:Sunlight