title: The effect of prolonged administration of beta-blocking drugs on responses of the rat anococcygeus muscle [proceedings].
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology*; D000818:Animals; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D051381:Rats
chemical_list: D000319:Adrenergic beta-Antagonists