St John's wort (Hypericum perforatum) products – an assessment of their authenticity and quality

Booker, A; Agapouda, A; Frommenwiler, DA; Scotti, F; Reich, E; Heinrich, M; (2018) St John's wort (Hypericum perforatum) products – an assessment of their authenticity and quality. Phytomedicine , 40 pp. 158-164. 10.1016/j.phymed.2017.12.012 .

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