Actions of 5-(1,3-dimethylbutyl)-5-ethyl barbituric acid, pentobarbital, amobarbital and thiopental on the sino-atrial nodal activity of the isolated heart.
D000654:Amobarbital / Q000494:pharmacology*; D000818:Animals; D001463:Barbiturates / Q000494:pharmacology*; D006168:Guinea Pigs; D006329:Heart Conduction System / Q000187:drug effects* / Q000502:physiology*; D066298:In Vitro Techniques; D010424:Pentobarbital / Q000494:pharmacology*; D012849:Sinoatrial Node / Q000187:drug effects / Q000502:physiology; D013874:Thiopental / Q000494:pharmacology*
D001463:Barbiturates; D000654:Amobarbital; D010424:Pentobarbital; D013874:Thiopental