@misc{indiciae4d7587606f3f,
  title = {Ventilatory function in Nigerian coal miners.},
  author = {B L Jain and J M Patrick},
  year = {1981},
  doi = {10.1136/oem.38.3.275},
  url = {https://pubmed.ncbi.nlm.nih.gov/7272241/},
  note = {Source identifier: 7272241}
}