title: Alpha-1-antitrypsin in progressive systemic sclerosis.
mesh_terms: D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000097:blood* / Q000473:pathology; D008297:Male; D010641:Phenotype; D012867:Skin / Q000473:pathology; D000515:alpha 1-Antitrypsin / Q000032:analysis*
chemical_list: D000515:alpha 1-Antitrypsin