@misc{indiciae3817fbb603b2,
  title = {[Tryptophan-load in progressive scleroderma (author's transl)].},
  author = {H W Kreysel and K Meyerhoff and J Kimmig},
  year = {1976},
  doi = {10.1007/bf01483590},
  url = {https://pubmed.ncbi.nlm.nih.gov/135125/},
  note = {Source identifier: 135125}
}