Non-participation in EIRA: a population-based case-control study of rheumatoid arthritis.
Bengtsson
C
C
Berglund
A
A
Serra
M-L
ML
Nise
L
L
Nordmark
B
B
Klareskog
L
L
Alfredsson
L
L
Eira Study Group
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