@misc{indiciae5ef0bbc0fc19,
  title = {Purulent otitis media: differences between populations in different environments.},
  author = {P Manning and M E Avery and A Ross},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4812002/},
  note = {Source identifier: 4812002}
}