@misc{indiciae91a3f3178cd3,
  title = {Expectorants and sputum viscosity.},
  author = {J FORBES and L WISE},
  year = {1957},
  doi = {10.1016/s0140-6736(57)90875-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/13476719/},
  note = {Source identifier: 13476719}
}