Sideritis spp. extracts enhance memory and learning in Alzheimerʼs β-amyloidosis mouse models and aged C57Bl/6 mice - Hofrichter, J; Krohn, M; Schumacher, T; Lange, C; Feistel, B; Walbroel, B; Pahnke, J (J Alzheimers Dis, 2016)