The blocking action of antihistaminic drugs on the cardiac vagus nerve in the terrapin.
D006321:Heart / Q000294:innervation*; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D006801:Humans; D014630:Vagus Nerve / Q000187:drug effects*
D006634:Histamine H1 Antagonists
ANTIHISTAMINICS/effects; HEART/innervation; NERVES, VAGUS/effect of drugs on