@misc{indiciae8c8027f79709,
  title = {Pulmonary valvular incompetence in growing animals.},
  author = {L Michl and H B Shumacher},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4265798/},
  note = {Source identifier: 4265798}
}