@misc{indiciae87986c4ad986,
  title = {Propranolol and marathon running.},
  author = {A J Williams},
  year = {1979},
  doi = {10.1016/0002-8703(79)90270-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/484442/},
  note = {Source identifier: 484442}
}