title: [Epidemiology of scleroderma--occurrence of scleroderma in Japan].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D012595:Scleroderma, Systemic / Q000453:epidemiology*