TY  - RPRT
TI  - Relation between bone erosions and rheumatoid factor isotypes.
AU  - J A Arnason
AU  - T Jónsson
AU  - A Brekkan
AU  - K Sigurjónsson
AU  - H Valdimarsson
PY  - 1987
DO  - 10.1136/ard.46.5.380
UR  - https://pubmed.ncbi.nlm.nih.gov/3592799/
ID  - 3592799
ER  -