Novrial, D., I. Riwanto, S. B Sumitro, and I. Wijaya. “The Effects of Cigarette Smoke Nanoparticles in the Colorectal Carcinogenesis of Wistar Rats”. Berkala Penelitian Hayati, Vol. 23, no. 1, Sept. 2017, pp. 6-12, doi:10.23869/45.