R Lehnfeld

Extracts of Valeriana officinalis L. s.l. show anxiolytic and antidepressant effects but neither sedative nor myorelaxant properties

Miguel Hattesohl, Björn Feistel, Hartwig Sievers et al. · Phytomedicine · 2007 · 156 citations

Medicine, Medicinal Chemistry, Pharmacology +11

Impact of Thymol in Thyme Extracts on Their Antispasmodic Action and Ciliary Clearance

Frank Begrow, Jonas Engelbertz, Björn Feistel et al. · Planta Medica · 2009 · 71 citations

Medicine, Botany, Pharmacology +12

No clinically relevant CYP3A induction after St. John’s wort with low hyperforin content in healthy volunteers

Silke Mueller, J. Majcher‐Peszynska, Ralf G. Mundkowski et al. · European Journal of Clinical Pharmacology · 2008 · 61 citations

Medicine, Internal Medicine, Hypersensitivity +2

Efficacy and tolerability of a spray with Salvia officinalis in the treatment of acute pharyngitis - a randomised, double-blind, placebo-controlled study with adaptive design and interim analysis.

Michael Hubbert, Hans‐Hinrich Sievers, R Lehnfeld et al. · PubMed · 2006 · 35 citations

Medicine, Pharmacology, Pharmacotherapy +7

Effects of lozenge containing lavender oil, extracts from hops, lemon balm and oat on electrical brain activity of volunteers.

Wilfried Dimpfel, Ivo Pischel, R Lehnfeld · PubMed · 2004 · 24 citations

Life Sciences, Neuroscience, Pharmacology +3