title: Alpha 1-antitrypsin phenotypes in rheumatoid arthritis.
mesh_terms: D000328:Adult; D001172:Arthritis, Rheumatoid / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D010641:Phenotype; D000515:alpha 1-Antitrypsin / Q000235:genetics*
chemical_list: D000515:alpha 1-Antitrypsin