TY  - RPRT
TI  - Reliability of rheumatoid factor tests.
AU  - R von Essen
AU  - M V Lehtinen
AU  - J A Räsänen
AU  - O Wager
PY  - 1984
DO  - 10.1093/rheumatology/23.4.312
UR  - https://pubmed.ncbi.nlm.nih.gov/6487940/
ID  - 6487940
ER  -