@misc{indiciae05569ba826ae,
  title = {Funnel chest: its effect on cardiac function.},
  author = {R HOWARD},
  year = {1959},
  doi = {10.1136/adc.34.173.5},
  url = {https://pubmed.ncbi.nlm.nih.gov/13628221/},
  note = {Source identifier: 13628221}
}