@misc{indiciaebd80098ddab3,
  title = {Assessing the sputum.},
  author = {J R May},
  year = {1970},
  doi = {10.1016/s0140-6736(70)90738-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4189616/},
  note = {Source identifier: 4189616}
}