Gupta, M., R. Rauniyar, K. Ahmad, A. Pant, A. Kumar, and S. Shah. “Phthisis Bulbi and Leptomeningeal Metastasis in a Case of Trilateral Retinoblastoma”. Nepalese Journal of Radiology, vol. 3, no. 2, Jan. 2014, pp. 92-96, doi:10.3126/njr.v3i2.9621.