U Stieh-Koch

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Effects of (-)-N-ethylephedrine (etafedrine) were studied on the tracheal chain preparation and the atria of the guinea pig and on the rabbit perfused heart. Contraction of the tracheal chain by acetylcholine or histamine was antagonized by epinephrine (adrenaline), etafedrine and ephedrine, the relative potencies being 91:1:0.3, respectively. Propranolol(More)
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