In favour of One-Stage Strategy (OSS).

@article{Evrard2015InFO,
  title={In favour of One-Stage Strategy (OSS).},
  author={S. F. Kasun A. E. Evrard},
  journal={European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology},
  year={2015},
  volume={41 12},
  pages={1568-9}
}