The electrically driven, isolated auricles from the rabbit and the hen have been used to compare the inotropic potency of a bufodiene aglycone with ouabain. The results from the hen auricle permit conventional statistical treatment and show a good degree of reproducibility. Results of inotropic potencies and toxicity determinations on the two drugs are discussed.
DOI: 10.1111/j.1476-5381.1963.tb01537.x
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