Ucar, H. K., S. Altunbasak, F. Incecik, O. Herguner, B. Yuksel, and R. Burgut. “Short Stature and Insulin-Like Growth Factor-I in Neurofibromatosis Type I”. Annals of Medical Research, vol. 28, no. 9, Sept. 2021, pp. 1763-6, http://www.annalsmedres.org/index.php/aomr/article/view/3922.