@article{h. kocoglu2006of,
  title={Comparison of lornoxicam with tramadol in patient­ controlled analgesia after gynecological surgery},
  author={m. karaca,h. kocoglu,a. gocmen},
  journal={European Journal of Gynaecological Oncology},
  volume={27},
  number={1},
  pages={78--80},
  doi = {10.12892/ejgo20060178},
  year={2006}
}