@article{p. litta2004of,
  title={Adenosarcoma of the ovary. A case report},
  author={p. litta,c. pozzan,g. sacco,f. merlin,c. saccardi,a. ambrosini},
  journal={European Journal of Gynaecological Oncology},
  volume={25},
  number={4},
  pages={507--508},
  doi = {10.12892/ejgo200404507},
  year={2004}
}