@misc{indiciae4431718f6749,
  title = {Sputum liquefiers.},
  author = {K N Palmer},
  year = {1966},
  doi = {10.1016/s0007-0971(66)80045-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/5969934/},
  note = {Source identifier: 5969934}
}