@article{t. lettin2017site,
  title={Placental site nodule (PSN) as a pitfall in histological
diagnosis of the uterus},
  author={l. resta,t. lettin,t. montrone,r. rossi,r. conte,g. cormio},
  journal={European Journal of Gynaecological Oncology},
  volume={38},
  number={4},
  pages={614--617},
  doi = {10.12892/ejgo3974.2017},
  year={2017}
}