Jakubowska, Eliza, Tomasz Nowak, Patrycja Łazicka, Joanna Jasińska, Marta Miziniak, and Aleksandra Karolak. 2023. “The Impact of Using a Protective Mask on the Occurrence of Maskne (mask Acne) During the Covid-19 Pandemic”. Journal of Education, Health and Sport 38 (1):166-84. https://doi.org/10.12775/JEHS.2023.38.01.012.