Wang, D. ., Xu, X. ., Zhang, K. ., Sun, B. ., Wang, L. ., Meng, L. ., … Sun, H. . Codelivery of doxorubicin and MDR1-siRNA by mesoporous silica nanoparticles-polymerpolyethylenimine to improve oral squamous carcinoma treatment. International Journal of Nanomedicine, 13, 187-198. https://doi.org/10.2147/IJN.S150610 (Original work published 2018)