Sytnik-Czetwertyński, J. “Functional Magnetic Resonance Imaging (fMRI) and Trolley Problem: Test of Ventromedial Prefrontal Cortex in Context of Making Moral Choices”. Journal of Education, Health and Sport, vol. 11, no. 10, Oct. 2021, pp. 128-34, doi:10.12775/JEHS.2021.11.10.011.