@article{doi:, author = {Düzenli, Mehmet Akif and Özdemir, Kurtuluş and Aygül, Nazif and Zengin, Kadriye and Gök, Hasan}, title = {The role of tissue Doppler echocardiography in the evaluation of functional capacity of patients with heart failure}, journal = {Turk Kardiyol Dern Ars}, volume = {36}, number = {3}, pages = {143-149}, year = {2008}, doi = {}, note ={PMID: 18626205}, URL = {https://dx.doi.org/}, eprint = {https://dx.doi.org/} }