title: Systemic scleroderma: a clinical and immunological study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000917:Antibody Formation; D005260:Female; D006801:Humans; D007111:Immunity, Cellular; D008297:Male; D008875:Middle Aged; D010375:Pedigree; D012595:Scleroderma, Systemic / Q000235:genetics / Q000276:immunology*