Tang, S., R.-g. Hu, W.-y. Liu, et al. "Non-Specific Depurination Activity of Saporin-S6, a Ribosome-Inactivating Protein, under Acidic Conditions" Biological Chemistry, 381.8 (2005): 769-772. Retrieved 19 Jun. 2013, from doi:10.1515/BC.2000.098

Tang, S., Hu, R., Liu, W., et al. (2005). Non-Specific Depurination Activity of Saporin-S6, a Ribosome-Inactivating Protein, under Acidic Conditions. Biological Chemistry, 381(8), pp. 635-776. Retrieved 19 Jun. 2013, from doi:10.1515/BC.2000.098

Tang, S., R.-g. Hu, W.-y. Liu, et al. 2005. Non-Specific Depurination Activity of Saporin-S6, a Ribosome-Inactivating Protein, under Acidic Conditions. Biological Chemistry. 381(8): 635-776. Retrieved 19 Jun. 2013, from doi:10.1515/BC.2000.098