@misc{indiciaeebd5fc377f2c,
  title = {Joint involvement in progressive systemic sclerosis (scleroderma): a light and electron microscopic study of synovial membrane and fluid.},
  author = {H R Schumacher},
  year = {1973},
  doi = {10.1093/ajcp/60.5.593},
  url = {https://pubmed.ncbi.nlm.nih.gov/4127421/},
  note = {Source identifier: 4127421}
}