M. Junaid, M. U. Rashid, A. afsheen, A. Tahir, M. Ahmad, and A. Kalsoom, “VON HIPPEL LINDAU SYNDROME AND SURVEILLANCE: A FIVE YEAR FOLLOW UP CASE REPORT”, J Ayub Med Coll Abbottabad, vol. 27, no. 4, pp. 930–932, Dec. 2015.