@article{article4481,
  title = {Phosphodiesterase type 5 inhibitors in the treatment of pulmonary arterial hypertension},
  author = {Kılıçkesmez, K. and Serdar  Küçükoğlu, M.},
  journal = {The Anatolian Journal of Cardiology},
  year = {2010},
  volume = {10},
  pages = {16-18},
  doi = {10.5152/akd.2010.125}
}