@article{t. kaku2015of,
  title={Correlation of progression-free and post-progression survival with overall survival in phase III trials of first-line chemotherapy for advanced epithelial ovarian cancer},
  author={m. shimokawa,m. ohki,t. kaku},
  journal={European Journal of Gynaecological Oncology},
  volume={36},
  number={4},
  pages={370--375},
  doi = {10.12892/ejgo2643.2015},
  year={2015}
}