Sajid, K. M., and R. Mahmood. “LABELLING OF M-TRIMETHYL SILYLPHENYL)-ETHYLIDENE-1, 1-BISPHOSPHONATE WITH 99mTc AND ITS EVALUATION AS AN IMAGING AGENT”. The Nucleus, vol. 49, no. 3, Sept. 2012, pp. 209-20, http://thenucleuspak.org.pk/index.php/Nucleus/article/view/796.