Czupryńska, Karolina, Karina Otręba, Piotr Daniel, Michał Leśkiewicz, Justyna Składanek, and Joanna Cieszkowska. “Efficacy and Controversies Surrounding Electroconvulsive Therapy for Treatment-Resistant Depression: A Literature Review”. Journal of Education, Health and Sport 67 (September 9, 2024): 54495. Accessed December 27, 2025. https://apcz.umk.pl/JEHS/article/view/54495.