@article{v. loizzi2011topotecan,
  title={Long-term topotecan therapy in recurrent or persistent ovarian cancer },
  author={g. cormio,v. loizzi,f. gissi,a. camporeale,p. de mitri,l. leone,g. putignano,l. selvaggi},
  journal={European Journal of Gynaecological Oncology},
  volume={32},
  number={2},
  pages={153--155},
  doi = {10.12892/ejgo201102153},
  year={2011}
}