@misc{indiciae8501d2eb57ec,
  title = {Ammonia retention by smokers: a comparative study.},
  author = {A S Bhown and B B Maitrya and M Bhown},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5132236/},
  note = {Source identifier: 5132236}
}