@misc{indiciaedc009cf8ecae,
  title = {Expiratory flow rate changes during the menstrual cycle.},
  author = {G S Rao and P Rajan and S Walter},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1917019/},
  note = {Source identifier: 1917019}
}