@misc{indiciae713257a27c83,
  title = {Two clinical problems in respiratory disease.},
  author = {W A Speir and B A Chaudhary and G N Harrison and L R Mills},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/719969/},
  note = {Source identifier: 719969}
}