@misc{indiciae56223023e787,
  title = {Complement activation in progressive systemic sclerosis.},
  author = {G Senaldi and D Vergani and A McWhirter and C M Black},
  year = {1987},
  doi = {10.1016/s0140-6736(87)91698-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2883465/},
  note = {Source identifier: 2883465}
}