@article{article1739,
  title = {The Effects of Mitral Valve Surgery on Pulmonary Hypertension},
  author = {Emiroğulları, Ö.N. and Eren, N.T. and Akalın, H.},
  journal = {Journal of Clinical Practice and Research},
  year = {1991},
  volume = {13},
  pages = {20-23},
  doi = {}
}