@article{doi:, author = {Okay, Tuğrul and Payzin, Serdar and İlkay, Erdoğan}, title = {Answers of specialist}, journal = {Turk Kardiyol Dern Ars}, volume = {35}, number = {6}, pages = {393-395}, year = {2007}, doi = {}, note ={doi: }, URL = {https://dx.doi.org/}, eprint = {https://dx.doi.org/} }