@article{doi:,
author = {Demir, Mesut and Akpınar, Onur and Kanadaşı, Mehmet and Acartürk, Esmeray},
title = {New alternatives to the standard Doppler method in measuring transmitral pressure gradient},
journal = {Turk Kardiyol Dern Ars},
volume = {35},
number = {3},
pages = {154-157},
year = {2007},
doi = {},
note ={doi: },

URL = {https://dx.doi.org/},
eprint = {https://dx.doi.org/}
}