Modriansky, M., Valentova, K., Prikrylova, V. a Walterova, D. (2003) „Natural Substances in the Prevention of Gastrointestinal Diseases", Chemické listy, 97(7). Dostupné z: http://www-.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2226 (Viděno: 10 listopad 2024).