Выражение встречается в следующем контексте: Study ********* was a single-dose, placebo-controlled, double-blind, randomised, crossover study designed to assess the potential activity/efficacy of ******* in causing a pharmacodynamic effect, in vivo, in man, using the ‘Gold’ standard model for ET antagonism, ie, forearm vasoconstriction response to a 120-minute brachial artery infusion of ET 1

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