Effects of nicotine and dimethylphenylpiperazinium on the S-A node activity of dogs in situ.
D000818:Animals; D001285:Atropine / Q000494:pharmacology; D004285:Dogs; D006584:Hexamethonium Compounds / Q000494:pharmacology; D009538:Nicotine / Q000494:pharmacology*; D010879:Piperazines / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology; D012849:Sinoatrial Node / Q000187:drug effects*; D013779:Tetrodotoxin / Q000494:pharmacology; D013997:Time Factors
D006584:Hexamethonium Compounds; D010879:Piperazines; D013779:Tetrodotoxin; D009538:Nicotine; D001285:Atropine; D011433:Propranolol