Neven, L., I. Casteels, P. Witters, K. Jansen, and C. Cassiman. “Treatment-Resistant Papilledema in a Boy With Homocystinuria”. 2021. Belgian Journal of Paediatrics, vol. 23, no. 2, Jan. 2023, pp. 148-50, http://www.belgjpaediatrics.com/index.php/bjp/article/view/153.