Przybylska, Patrycja, Alicja Morawska, Martyna Ortarzewska, and Margarita Parvanov. 2021. “The Use of Botulinum Toxin Injection into the Mentalis Muscle in Aesthetic Medicine Procedures”. Journal of Face Aesthetics 4 (1):58-64. https://doi.org/10.20883/jofa.44.