@misc{indiciae541f391cab6c,
  title = {[A method for preventing acute otitis media].},
  author = {S Ingelstedt and K Lundgren and H Rundcrantz},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5580142/},
  note = {Source identifier: 5580142}
}