@misc{indiciae06255e34bc16,
  title = {Exercise testing in children with heart defects.},
  author = {S J Goldberg},
  year = {1980},
  doi = {10.1016/0002-9149(80)90240-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/7350766/},
  note = {Source identifier: 7350766}
}