@article{article1517,
  title = {},
  author = {Yeşilkaya, Y. and Sözüer, E.M. and Bengisu, N. and Doğu, N. and Yeşilkaya, A. and Doğan, P.},
  journal = {Journal of Clinical Practice and Research},
  year = {1991},
  volume = {13},
  pages = {1-9},
  doi = {}
}