@article{k. stefanidis2005contrast,
  title={Saline contrast hysterosonography in infertile patients and in women with abnormal uterine bleeding},
  author={s. milingos,g. kallipolitis,k. stefanidis,j. sklia,n. makris,d. loutradis,a. antsaklis,s. michalas},
  journal={European Journal of Gynaecological Oncology},
  volume={26},
  number={5},
  pages={564--567},
  doi = {10.12892/ejgo200505564},
  year={2005}
}