@misc{indiciae9b63a4c63c98,
  title = {Pectus excavatum.},
  author = {M Singh and K L Rao and I Bala and S K Mitra},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2599606/},
  note = {Source identifier: 2599606}
}