St. John's Wort (Hypericum perforatum) Products - How Variable Is the Primary Material?

Scotti, F; Lobel, K; Booker, A; Heinrich, M; (2019) St. John's Wort (Hypericum perforatum) Products - How Variable Is the Primary Material? Frontiers in Plant Science , 9 , Article 1973. 10.3389/fpls.2018.01973 . Green open access

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