@article{doi:,
author = {Gur, Ali Kemal and Polat, Vural},
title = {A different symptom due to mitral valve stenosis: Back pain},
journal = {Eastern J Med},
volume = {18},
number = {2},
pages = {87-89},
year = {2013},
doi = {},
note ={doi: },

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