@article{d. samulak2011of,
  title={Analysis of odds ratio of increased relative risk of developing breast cancer in different groups of women},
  author={b. pięta,d. samulak,t. opala,m. wilczak,s. grodecka-gazdecka,k. więznowska-mączyńska},
  journal={European Journal of Gynaecological Oncology},
  volume={31},
  number={1},
  pages={50--54},
  doi = {10.12892/ejgo20100150},
  year={2011}
}