@article{yusof_tang_teo_mat_izaham_rahman_2016, 
  title={Air in the pericardial sac post tracheostomy: One should be aware}, 
  DOI={10.1016/j.jacme.2016.03.004}, 
  publisher={Elsevier BV}, 
  author={Yusof and Tang and Teo and Mat and Izaham and Rahman}, 
  year={2016}
  }