@article{a. semczuk2004gene,
  title={K-ras gene point mutations and p21 ras immunostaining in human ovarian tumors},
  author={a. semczuk,k. postawski,d. przadka,k. rozynska,a. wrobel,e. korobowicz},
  journal={European Journal of Gynaecological Oncology},
  volume={25},
  number={4},
  pages={484--488},
  doi = {10.12892/ejgo200404484},
  year={2004}
}