title: Non-participation in EIRA: a population-based case-control study of rheumatoid arthritis.
authors.forename: C
authors.initials: C
authors.lastname: Bengtsson
authors.forename: A
authors.initials: A
authors.lastname: Berglund
authors.forename: M-L
authors.initials: ML
authors.lastname: Serra
authors.forename: L
authors.initials: L
authors.lastname: Nise
authors.forename: B
authors.initials: B
authors.lastname: Nordmark
authors.forename: L
authors.initials: L
authors.lastname: Klareskog
authors.forename: L
authors.initials: L
authors.lastname: Alfredsson
authors.lastname: Eira Study Group
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D016022:Case-Control Studies; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D015983:Selection Bias; D012737:Sex Factors; D012959:Socioeconomic Factors; D013548:Sweden / Q000453:epidemiology