Butt, A. R., I. A. Butt, A. Nazir, M. Ikram, S. Sadiq, K. Rashid, T. Shujah, and S. Ali. “Molecular Imaging of CaO Nanowhiskers in Living Organs”. The Nucleus, vol. 52, no. 4, Dec. 2015, pp. 159-64, http://202.83.167.189/index.php/Nucleus/article/view/633.