alpha 1 antitrypsin phenotypes were determined by isoelectric focusing in 225 adult white patients with rheumatoid arthritis ( ra ) , 60 patients with severe rheumatoid arthritis ( grade iii and iv ) , 17 sibling pairs -- hla identical but discordant for rheumatoid arthritis , and 122 random patients with sjogren 's syndrome .
C0003873
rheumatoid arthritis
C1527336
sjogren 's