@article{article2011,
  title = {Prognostic Factors of Mitral Stenosis During Pregnancy},
  author = {Demir, Ä. and Yılmaz, H. and BaÅŸarıcı, Ä. and Emre  Altekin, R. and Zorlu, G.},
  journal = {The Anatolian Journal of Cardiology},
  year = {2002},
  volume = {2},
  pages = {213-217},
  doi = {}
}