@article{doi:, author = {Kutucularoğlu, Mustafa Gürkan and Şimşek, Ziya}, title = {Letters to Editor}, journal = {Turk Kardiyol Dern Ars}, volume = {37}, number = {3}, pages = {213-217}, year = {2009}, doi = {}, note ={PMID: 19553753}, URL = {https://dx.doi.org/}, eprint = {https://dx.doi.org/} }