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“The pressor responses to epinephrine and isoproterenol after ergotamine were prevented or antagonized by the beta blocking drugs propranolol and ICI 50,172.”
The Journal of pharmacology and experimental therapeutics • 1970 | View Paper
“Usage of propranolol plus ergotamine in cardiac patients reduces the dosage of ergotamine and side effects of this drug, such as myocardial infarction.”