Стефанов, Георги, and Елена Митова. “Епидемиология на неврофиброматоза тип 1”. Редки болести и лекарства сираци 11, no. 2 (July 19, 2020): 17-22. Accessed January 15, 2025. https://raredis.org/journal/index.php/RBLS/article/view/114.