Główczewska-Siedlecka E, Główczewka J, Mądra-Gackowska K, Gackowski M, Nowacka K, Siedlecki Z, et al. Assessment of the prevalence of nootropic drugs by elderly patients in geriatric practice. J Educ Health Sport [Internet]. 2017 Aug. 31 [cited 2025 Jun. 28];7(8):1531-9. Available from: https://apcz.umk.pl/JEHS/article/view/5091