@article{article93,
  title = {Is the myocardial performance index a reliable parameter in patients with restrictive filling pattern?},
  author = {Gür, M. and Demirbağ, R.},
  journal = {The Anatolian Journal of Cardiology},
  year = {2006},
  volume = {6},
  pages = {221-228},
  doi = {}
}