@article{article3411,
  title = {Thirty-six years with the same prosthetic mitral valve},
  author = {Akyel, A. and Alsancak, Y. and Olgun, H. and Özdemir, M.},
  journal = {The Anatolian Journal of Cardiology},
  year = {2011},
  volume = {11},
  pages = {469-470},
  doi = {10.5152/akd.2011.121}
}