@misc{indiciae79f41f3e96e8,
  title = {Postural changes, dysphagia, and systemic sclerosis.},
  author = {P Barrera and A A den Broeder and F H van den Hoogen and B G van Engelen and L B van de Putte},
  year = {1998},
  doi = {10.1136/ard.57.6.331},
  url = {https://pubmed.ncbi.nlm.nih.gov/9771206/},
  note = {Source identifier: 9771206}
}