@misc{indiciae24c810f2065f,
  title = {Exercise asthma.},
  author = {H Herxheimer},
  year = {1972},
  doi = {10.1016/s0140-6736(72)90787-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4111870/},
  note = {Source identifier: 4111870}
}