NOJEK, Paweł, PAWLIK, Wiktoria, ZIMONCZYK, Mariusz, ZAWÓŁ, Monika, BŁASZCZYŃSKI, Gustaw and NOWOTARSKA, Agnieszka. Effectiveness of different acne treatment methods: a comparison of pharmacological, procedural and natural therapies. Journal of Education, Health and Sport. Online. 12 November 2024. Vol. 71, p. 55977. [Accessed 16 December 2025]. DOI 10.12775/JEHS.2024.71.55977.