Aleksandra Lejman, Rafał Bednarczyk, Natalia Bednarczyk, Radosław Krzysztof Binkowski, Agnieszka Kurek, Natalia Krajewska, Aleksandra Mazurkiewicz, Hubert Sidor and Monika Wołosik 2026. ADVERSE EFFECTS OF ESKETAMINE IN TREATMENT RESISTANT DEPRESSION: A COMPREHENSIVE LITERATURE REVIEW (2020-2025). International Journal of Innovative Technologies in Social Science. 1, 1(49) (Feb. 2026). DOI:https://doi.org/10.31435/ijitss.1(49).2026.4697.