@misc{indiciaeb6a295f39774,
  title = {[Urinary catecholamines in progressive systemic sclerosis (indurative phase) (author's transl)].},
  author = {K M Ranneberg and G W Korting},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4748771/},
  note = {Source identifier: 4748771}
}