1. J. Ferlay, M. Ervik, F. Lam, M. Colombet, L. Mery, M. Piñeros, A. Znaor, I. Soerjomataram, F. Bray, Global Cancer Observatory: Cancer Today, International Agency for Research on Cancer, Lyon, France, 2020; https://gco.iarc.fr/today (accessed February 28, 2021).
2. P. Sharma, J. P. Allison, Science, 2015, 348, 56; DOI: https://doi.org/10.1126/science.aaa8172.
3. A. M. Scott, J. D. Wolchok, L. J. Old, Nat. Rev. Cancer, 2012, 12, 278; DOI: https://doi.org/10.1038/nrc3236.
4. D. M. Pardoll, Nat. Rev. Cancer, 2012, 12, 252; DOI: https://doi.org/10.1038/nrc3239.
5. A. Domagała, M. Kurpisz, Med. Sci. Monit., 2001, 7, 325.