Beta-adrenergic blockade in the isolated toad heart.
D000818:Animals; D001001:Anura; D002395:Catecholamines / Q000494:pharmacology*; D005260:Female; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D008297:Male; D010477:Perfusion; D011984:Sensory Receptor Cells; D013565:Sympatholytics / Q000494:pharmacology*
D002395:Catecholamines; D013565:Sympatholytics