@misc{indiciaeaa2360caf8f7, title = {The nature of joint involvement in progressive systemic sclerosis (diffuse scleroderma).}, author = {G P RODNAN}, year = {1962}, doi = {10.7326/0003-4819-56-3-422}, url = {https://pubmed.ncbi.nlm.nih.gov/14493143/}, note = {Source identifier: 14493143} }