@misc{indiciaec49591e51a3a, title = {A uniform database for rheumatic diseases.}, author = {E V Hess and J F Fries and J R Klinenberg}, year = {1979}, doi = {10.1002/art.1780220913}, url = {https://pubmed.ncbi.nlm.nih.gov/383086/}, note = {Source identifier: 383086} }