@misc{indiciae2c56f5a7c320, title = {Antigen-specific suppressor cell activity in patients with scleroderma.}, author = {E C Keystone and D D Gladman and M Baron and D Cane and L Poplonski}, url = {https://pubmed.ncbi.nlm.nih.gov/6171643/}, note = {Source identifier: 6171643} }