Phuc, P. V., S. C. Keng, N. T. M. Nguyet, D. T. Thuy, and P. K. Ngoc. “Isolation and Comparison of Tumorigenicity of Different Cell Populations from the MCF-7 Breast Cancer Cell Line Based on CD44 and CD24 Markers”. Vietnam Journal of Biotechnology, vol. 9, no. 1, June 2012, doi:10.15625/1811-4989/9/1/1072.