# Challenges in performing clinical research on herbal products – experiences from Switzerland and the UK

**Authors:** Angélique Bourqui, Chantal Csajka, Michael Heinrich, Clara Podmore, Catherine Simpson, Jeanne Trill, Merlin Willcox, Pierre-Yves Rodondi

PMC · DOI: 10.3389/fphar.2026.1766381 · Frontiers in Pharmacology · 2026-01-26

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## References

34 references — full list in the complete paper: https://tomesphere.com/paper/PMC12883729/full.md

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Source: https://tomesphere.com/paper/PMC12883729