G. E. J. Poinern, X. T. Le, M. O’Dea, and D. Fawcett, “Biocompatibility of nanometre scale porous anodic aluminium oxide membranes towards the RK 13 epithelial cell line: A preliminary study”, Int J Res Med Sci, vol. 3, no. 7, pp. 1583–1588, Jan. 2017.