TY  - RPRT
TI  - Synovial tissue changes and rheumatoid factor in scleroderma.
AU  - J A Clark
AU  - R K Winkelmann
AU  - F C McDuffie
AU  - L E Ward
PY  - 1971
UR  - https://pubmed.ncbi.nlm.nih.gov/5546414/
ID  - 5546414
ER  -