@article{doi:,
author = {Tekten, Tarkan and O.Onbaşılı, Alper and Ceyhan, Ceyhun and Ünal, Selim and Ağaoğlu, Pınar},
title = {Tıssue Doppler Myocardial Performance Index},
journal = {Turk Kardiyol Dern Ars},
volume = {31},
number = {5},
pages = {262-269},
year = {2003},
doi = {},
note ={doi: },

URL = {https://dx.doi.org/},
eprint = {https://dx.doi.org/}
}