WDOWIAK, Krystian, MACIOCHA, Agnieszka, WĄŻ, Julia, WITAS, Aleksandra, DROGOŃ, Justyna, CHACHAJ, Weronika, SŁOMKA, Paulina, GWÓŹDŹ, Edyta, KONIECZKO, Dawid and GARDOCKA, Ewa. The issue of recreational use of sildenafil. Journal of Education, Health and Sport. Online. 21 October 2024. Vol. 66, p. 55563. [Accessed 27 December 2025]. DOI 10.12775/JEHS.2024.66.55563.