P. Masoko, S. Gololo, P. Mokgotho, K. Eloff, R. Howard, and L. Mampuru, “EVALUATION OF THE BIOLOGICAL ACTIVITIES OF THE ACETONE EXTRACT OF THE ROOTS OF SENNA ITALICA”, Afr J Tradit Complement Altern Med, vol. 7, no. 2, pp. 138–148, Nov. 2009.