@article{m. varras2002causing,
  title={Endometriosis causing extensive intestinal obstruction simulating carcinoma of the sigmoid colon: a case report and review of the literature },
  author={m. varras,e. kostopanagiotou,k. katis,ch. farantos,z. angelidou-manika,s. antoniou},
  journal={European Journal of Gynaecological Oncology},
  volume={23},
  number={4},
  pages={353--357},
  doi = {10.12892/ejgo200204353},
  year={2002}
}