title: Abnormal IgA levels in patients with rheumatoid arthritis.
authors.affiliation: Derbyshire Royal Infirmary, Derby, UK.
authors.forename: L J
authors.initials: LJ
authors.lastname: Badcock
authors.forename: S
authors.initials: S
authors.lastname: Clarke
authors.forename: P W
authors.initials: PW
authors.lastname: Jones
authors.forename: P T
authors.initials: PT
authors.lastname: Dawes
authors.forename: D L
authors.initials: DL
authors.lastname: Mattey
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000097:blood / Q000150:complications / Q000276:immunology*; D001799:Blood Sedimentation; D002097:C-Reactive Protein / Q000032:analysis; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D017098:IgA Deficiency / Q000150:complications / Q000276:immunology; D007070:Immunoglobulin A / Q000097:blood*; D007075:Immunoglobulin M / Q000097:blood; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D012218:Rheumatoid Nodule / Q000097:blood / Q000150:complications / Q000276:immunology
chemical_list: D007070:Immunoglobulin A; D007075:Immunoglobulin M; D002097:C-Reactive Protein