Contribution of flavonoids and catechol to the reduction of ICAM-1 expression in endothelial cells by a standardised Willow bark extract by Freischmidt, A., Jürgenliemk, G., Kraus, B., Okpanyi, S.N., Müller, J., Kelber, O., Weiser, D., Heilmann, J.

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Spasmolytic and tonic effect of Iberogast ® (STW 5) in intestinal smooth muscle by Ammon, H.P.T., Kelber, O., Okpanyi, S.N.

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Binding of STW 5 (Iberogast) and its components to intestinal 5-HT, muscarinic M3, and opioid receptors by Simmen, U, Kelber, O, Okpanyi, S N, Jaeggi, R, Bueter, B, Weiser, D

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Mechanisms involved in the gastro-protective effect of STW 5 (Iberogast ®) and its components against ulcers and rebound acidity by Khayyal, M.T., Seif-El-Nasr, M., El-Ghazaly, M.A., Okpanyi, S.N., Kelber, O., Weiser, D.

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Ex vivo/in vitro absorption of STW 5 (Iberogast ®) and its extract components by Kelber, O., Wittwer, A., Lapke, C., Kroll, U., Weiser, D., Okpanyi, S.N., Heilmann, J.

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Binding of STW 5 (Iberogast ®) and its components to intestinal 5-HT, muscarinic M 3, and opioid receptors by Simmen, U., Kelber, O., Okpanyi, S.N., Jaeggi, R., Bueter, B., Weiser, D.

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Ethanol in herbal medicinal products for children: Data from pediatric studies and pharmacovigilance programs by Kelber, Olaf, Steinhoff, Barbara, Nauert, Christian, Biller, Andreas, Adler, Martin, Abdel-Aziz, Heba, Okpanyi, Samuel N., Kraft, Karen, Nieber, Karin

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Modulation of gastro-intestinal motility by a herbal medicinal product – Mechanisms of action by Kraft, Karin, Hoser, Stephanie, Kelber, Olaf, Abdel-Aziz, Heba, Okpanyi, Samuel N., Nieber, Karen

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Valerian, Melissa, Passion flower and their combination STW 32: Synergisms in anxiolysis? by Okpanyi, Samuel N., Kelber, Olaf, AbdelAziz, Heba, Müller, Jürgen, Kolb, Christiane, Kraft, Karin

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