@article{k. hoshi2006study,
  title={Case study of a pregnant woman with decidualized ovarian endometriosis whose preoperative findings suggested  malignant transformation},
  author={h. iwamoto,m. suzuki,n. watanabe,m. minai,s. hirata,k. hoshi},
  journal={European Journal of Gynaecological Oncology},
  volume={27},
  number={3},
  pages={301--303},
  doi = {10.12892/ejgo200603301},
  year={2006}
}