Han, F., G. Liu, C. Sun, and J. Wei. “Ailanthone Reverses Multidrug Resistance by Inhibiting the P-Glycoprotein-Mediated Efflux in Resistant K562/A02 Cells”. Cellular and Molecular Biology, vol. 64, no. 15, Dec. 2018, pp. 55-61, doi:10.14715/cmb/2017.64.15.9.