Astragalus. National Center for Complementary and Integrative Health, US National Institutes of Health. 29 November 2016 [1 July 2019]. (原始内容存档于2019-08-01).
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Astragalus. National Center for Complementary and Integrative Health, US National Institutes of Health. 29 November 2016 [1 July 2019]. (原始内容存档于2019-08-01).