Hassanein, H.D., Mohsen, M.M.A., Shams, K.A., Abdel-azim, N.S., Saleh, M.A., Ehsan, N.A. and Hammouda, F.M. 2015. COMPARATIVE ANALYSIS OF BIOLOGICAL ACTIVITY OF SILYBUM MARIANUM L. FOOD SUPPLEMENTS AVAILABLE ON MARKET: INVITRO STUDY. International Journal of Pharmacy and Pharmaceutical Sciences. 7, 11 (Nov. 2015), 55–60.