@article{art2161,
  title = {Platypnea - Orthodeoxia Syndrome Caused by a Patent Foramen Ovale Associated with Ascending Aortic Ectasia},
  doi = {10.23958/ijirms/vol11-i01/2161},
  url = {https://ijirms.in/index.php/ijecs/article/view/2161}
}