@misc{indiciae33869e0def9d,
  title = {Friedrich Ludwig Jahn.},
  author = {R A Kyle and M A Shampo},
  year = {1980},
  doi = {10.1001/jama.243.10.1058},
  url = {https://pubmed.ncbi.nlm.nih.gov/6986481/},
  note = {Source identifier: 6986481}
}