Li, W., Wu, D., Wei, B., Wang, S., Sun, H., Li, X., Zhang, F., Zhang, C. and Xin, Y. 2014. ANTI-TUMOR EFFECT OF CACTUS POLYSACCHARIDES ON LUNG SQUAMOUS CARCINOMA CELLS (SK-MES-1). African Journal of Traditional, Complementary and Alternative Medicines. 11, 5 (Aug. 2014), 99–104.