@misc{indiciae79c2beb6e646,
  title = {Comparative studies of esophageal function in systemic sclerosis.},
  author = {H A Klein and A Wald and T O Graham and W L Campbell and V D Steen},
  year = {1992},
  doi = {10.1016/0016-5085(92)91713-e},
  url = {https://pubmed.ncbi.nlm.nih.gov/1568564/},
  note = {Source identifier: 1568564}
}