@article{Wo¶kowiak:2020,
  author  = "P. Wo¶kowiak and K. Lewicka and A. Bureta and M. Salagierski",
  title   = "Active surveillance and focal ablation for small renal masses: a better solution for comorbid patients",
  journal = "Archives of Medical Science",
  volume  = "Vol. 16",
  number  = "issue 5",
  pages   = "1111--1118",
  year    = "2020",
}