Catherine Zahner

Gamma-Linolenic Acid Levels Correlate with Clinical Efficacy of Evening Primrose Oil in Patients with Atopic Dermatitis

Dagmar Simon, Peter Eng, Siegfried Borelli et al. · Advances in Therapy · 2014 · 63 citations · Full text

Medicine, Dermatology, Pharmacology +13

Dose-dependent efficacy of the Vitex agnus castus extract Ze 440 in patients suffering from premenstrual syndrome

Ruediger Schellenberg, Christian Zimmermann, Jürgen Drewe et al. · Phytomedicine · 2012 · 60 citations

Medicine, Endocrinology, Gynecology +10

Petasol butenoate complex (Ze 339) relieves allergic rhinitis–induced nasal obstruction more effectively than desloratadine

Alina Dumitru, Mohamed H. Shamji, Martin Wagenmann et al. · Journal of Allergy and Clinical Immunology · 2011 · 34 citations · Full text

Pharmacy, Pharmacology, Pharmacotherapy +12

Assessment of the Efficacy and Safety of Ivy Leaf (<i>Hedera helix</i>) Cough Syrup Compared with Acetylcysteine in Adults and Children with Acute Bronchitis

Esther Kruttschnitt, Tankred Wegener, Catherine Zahner et al. · Evidence-based Complementary and Alternative Medicine · 2020 · 34 citations · Full text

Medicine, Pediatrics, Pharmacotherapy +14

Dose-Dependent Effects of the<i>Cimicifuga racemosa</i>Extract Ze 450 in the Treatment of Climacteric Complaints: A Randomized, Placebo-Controlled Study

Ruediger Schellenberg, Reinhard Saller, Lorenzo Hess et al. · Evidence-based Complementary and Alternative Medicine · 2012 · 31 citations · Full text

Pharmacy, Pharmacology, Pharmacotherapy +16