Kowalczewski, P. Łukasz (2026) “Antioxidant and Antiproliferative Activities of a Nonprotein Potato Juice Fraction Against Gastrointestinal Cancer cells: A Preliminary Study ”, Państwo i Społeczeństwo / State and Society, 26, p. 101. doi: 10.31749/2451-0858-SaS-2026-101.