[Penbutolol: beta-adrenergic blocking effect on isolated guinea pig atria].
D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D004305:Dose-Response Relationship, Drug; D005260:Female; D006168:Guinea Pigs; D006325:Heart Atria / Q000187:drug effects*; D008297:Male; D009638:Norepinephrine / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D010394:Penbutolol / Q000494:pharmacology*; D011412:Propanolamines / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology*
D011412:Propanolamines; D010394:Penbutolol; D011433:Propranolol; D009638:Norepinephrine
Penbutolol: acción bloqueante beta-adrenérgica en aurículas aisladas de cobayo.