TY  - RPRT
TI  - A standard database for rheumatic diseases.
AU  - J F Fries
AU  - E V Hess
AU  - J Klinenberg
DO  - 10.1002/art.1780170319
UR  - https://pubmed.ncbi.nlm.nih.gov/4545207/
ID  - 4545207
ER  -