Polygala tenuifolia and Acorus tatarinowii in the treatment of Alzheimer's disease: a systematic review and meta-analysis. Alzforum, 06 Feb 2024 Zhang Y, Tian J, Ni J, Wei M, Li T, Shi J. Front Pharmacol. 2023;14:1268000. Epub 2024 Jan 12 PubMed.