Shou, Di-Wen, and Yue-Lin Zheng. “Antitumor Activity, Cell Cycle Arrest and Apoptosis Induction in Human Colon Cancer Cell Line by Primula Macrophylla Extracts”. Bangladesh Journal of Pharmacology, vol. 12, no. 2, Apr. 2017, pp. 101-6, doi:10.3329/bjp.v12i2.27606.