title: Cryoglobulinemia and circulating immune complexes in progressive systemic sclerosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000974:Antibodies, Antinuclear / Q000032:analysis; D000936:Antigen-Antibody Complex / Q000032:analysis*; D003176:Complement C3 / Q000032:analysis; D003450:Cryoglobulins / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000032:analysis; D012595:Scleroderma, Systemic / Q000276:immunology*
chemical_list: D000974:Antibodies, Antinuclear; D000936:Antigen-Antibody Complex; D003176:Complement C3; D003450:Cryoglobulins; D012217:Rheumatoid Factor