@misc{indiciae90a5ceb6ae3d, title = {Upper esophageal spasm in systemic sclerosis.}, author = {M Javle and G Mangat and C Balakrishnan and V R Joshi}, year = {1993}, url = {https://pubmed.ncbi.nlm.nih.gov/8294373/}, note = {Source identifier: 8294373} }