Pharmaceutical availability of hydrogels with extracts of Arnica montana, Aesculus hippocastanum and Ruscus aculeatus and their potential use as antioxidant polyphenol-rich material - Michalak, Monika; Błońska-Sikora, Ewelina Maria; Paradowska, Katarzyna; Zielińska, Agnieszka (Medical Studies/Studia Medyczne, 2023)