Antagonistic effects of acetylcholine and nicotine on isolated frog hearts.
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D001001:Anura; D000013:Congenital Abnormalities / Q000187:drug effects*; D006321:Heart; D009538:Nicotine / Q000494:pharmacology*; D011898:Ranidae
D009538:Nicotine; D000109:Acetylcholine
ACETYLCHOLINE/effects; DEFECTS, CONGENITAL/effect of drugs on; NICOTINE/effects