1. Abu-Freha N. Should colonoscopy be the primary screening modality for colorectal cancer in Israel? Harefuah. 2019;158(8):523–8.
2. Association of European Cancer Leagues – Cancer Prevention. n.d.. https://www.europeancancerleagues.org/cancer-screening-in-europe/
3. Australian National Bowel Cancer Screening Program. n.d.. http://www.cancerscreening.gov.au/internet/screening/publishing.nsf/Content/bowel-screening-1
4. Belgium Colon Cancer Screening. n.d.. https://www.ddg-gastro.be/en/colon-cancer-screening/
5. Benson VS, Patnick J, Davies AK, Nadel MR, Smith RA, Atkin WS, International Colorectal Cancer Screening Network. Colorectal cancer screening: a comparison of 35 initiatives in 17 countries. Int J Cancer. 2008;122(6):1357–67.