TY  - RPRT
TI  - Developments in epidemiological studies on rheumatoid arthritis.
AU  - E Allander
AU  - A Bjelle
PY  - 1981
DO  - 10.3109/03009748109095310
UR  - https://pubmed.ncbi.nlm.nih.gov/7323778/
ID  - 7323778
ER  -