title: Uncommon connective tissue disorders in childhood.
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003095:Collagen Diseases / Q000453:epidemiology*; D003882:Dermatomyositis / Q000000981:diagnostic imaging / Q000453:epidemiology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology; D008180:Lupus Erythematosus, Systemic / Q000139:chemically induced / Q000000981:diagnostic imaging / Q000453:epidemiology; D008297:Male; D010488:Polyarteritis Nodosa / Q000000981:diagnostic imaging / Q000453:epidemiology; D011859:Radiography; D012595:Scleroderma, Systemic / Q000000981:diagnostic imaging / Q000453:epidemiology; D012606:Scotland