Ali A. Alshatwi and  Vaiyapuri S. Periasamy and  Jegan Athinarayanan,  Cytotoxic Effects of Engineered Nanoparticles in Human Mesenchymal Stem Cells.   journal   = {International Journal of Health and Medical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2014, vol. 93(9). 596 - 599
    [viewed 06 July 2020]. Available from: https://publications.waset.org/pdf/9999422.