Ashraf, M. W., S. Tayyaba, N. Afzulpurkar, A. Nisar, E. L. J. Bohez, T. Lomas, and A. Tuantranont. “Design, Simulation and Fabrication of Silicon Microneedles for Bio-Medical Applications”. ECTI Transactions on Electrical Engineering, Electronics, and Communications, vol. 9, no. 1, July 2010, pp. 83-91, doi:10.37936/ecti-eec.201191.172302.