Kuchnicka, J., Remjasz, K., Siedlecki, W., Aleksandrowicz, J. and Fabiś , M. 2022. Botulinum toxin - introduction, indications and safety of usage . Journal of Education, Health and Sport. 12, 9 (Aug. 2022), 41–46. DOI:https://doi.org/10.12775/JEHS.2022.12.09.005.