1.
Synergism of three-drug combinations of sanguinarine and other plant secondary metabolites with digitonin and doxorubicin in multi-drug resistant cancer cells
by Eid, Safaa Yehia
Phytomedicine (Stuttgart), 2012-11-15, Vol.19 (14), p.1288-1297

2.
Carotenoids reverse multidrug resistance in cancer cells by interfering with ABC-transporters
by Eid, Safaa Yehia
Phytomedicine (Stuttgart), 2012-08-15, Vol.19 (11), p.977-987

3.
Modulation of multidrug resistance in cancer cells by chelidonine and Chelidonium majus alkaloids
by El-Readi, Mahmoud Zaki
Phytomedicine (Stuttgart), 2013-02-15, Vol.20 (3-4), p.282-294

4.
Digitonin synergistically enhances the cytotoxicity of plant secondary metabolites in cancer cells
by Eid, Safaa Yehia
Phytomedicine (Stuttgart), 2012-11-15, Vol.19 (14), p.1307-1314

5.
Influence of combinations of digitonin with selected phenolics, terpenoids, and alkaloids on the expression and activity of P-glycoprotein in leukaemia and colon cancer cells
by Eid, Safaa Yehia
Phytomedicine (Stuttgart), 2013-12-15, Vol.21 (1), p.47-61
