Momchilova, Albena, Roumen Pankov, Plamen Krastev, Tania Markovska, Borislav Arabadjiev, Nikolai Krastev, Evgenia Vassileva, Dimo Krastev, and Dimitar Tonev. “Quercetin Affects Ceramide But Not Sphingosine-1-Phosphate in Ras-Transformed 3T3 Fibroblasts”. Proceedings of the Bulgarian Academy of Sciences 76, no. 4 (April 30, 2023): 605–611. Accessed June 22, 2024. https://proceedings.bas.bg/index.php/cr/article/view/299.