@misc{indiciaec2032034600a, title = {Progressive systemic sclerosis. (Analytical study).}, author = {K Bhagwandas and S Premalatha and P Yesudian and A S Thambiah}, year = {1980}, url = {https://pubmed.ncbi.nlm.nih.gov/7217687/}, note = {Source identifier: 7217687} }