@misc{indiciae7bdd2f164e25,
  title = {Interobserver variability in echocardiography.},
  author = {P A Vignola and A Bloch and A D Kaplan and H J Walker and P N Chiotellis and G S Myers},
  year = {1977},
  doi = {10.1002/jcu.1870050405},
  url = {https://pubmed.ncbi.nlm.nih.gov/407252/},
  note = {Source identifier: 407252}
}