Induction of apoptosis by DAS treatment in parental cell line K562, which does not express any of transporters.   
  Part of: Mlejnek P, Dolezel P, Ruzickova E (2017) Drug resistance of cancer cells is crucially affected by expression levels of ABC-transporters. BioDiscovery 20: e11211. https://doi.org/10.3897/biodiscovery.20.e11211