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2 Methodology A comprehensive literature search was conducted in scientific databases including PubMed, Web of Science, ScienceDirect, Google Scholar, WanfangData, Chinese Pharmacopoeia, and China National Knowledge Infrastructure (CNKI) using keywords such as Astragalus , Astragalus L., Astragalus spp., Astragalus , Astragali radix , and Astragali complanati semend

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