1. Arnold M, Sierra MS, Laversanne M, Soerjomataram I, Jemal A, Bray F. Global patterns and trends in colorectal cancer incidence and mortality. Gut. 2016;66(4):683–91.
2. Department of Statistics Malaysia: Current Population Estimates, Malaysia, 2014–2016. In. http://www.statistics.gov.my/dosm/index.php?r=column/cthemeByCat&cat=155&bul_id=OWlxdEVoYlJCS0hUZzJyRUcvZEYxZz09&menu_id=L0pheU43NWJwRWVSZklWdzQ4TlhUUT09 ; 2016.
3. Zainal Ariffin O, Nor Saleha IT: National cancer Registry report 2007 Ministry of Health, Malaysia; 2011.
4. Abu Hassan MR, Ismail I, Mohd Suan MA, Ahmad F, Wan Khazim WK, Othman Z, Mat Said R, Tan WL, Mohammed SR, Soelar SA, et al. Incidence and mortality rates of colorectal cancer in Malaysia. Epidemiol Health. 2016;9(38):e2016007.
5. Law CW, Roslani AC, Ng LL. Treatment delay in rectal cancer. Med J Malaysia. 2009;64(2):163–5.