title: Observations on the frequency dependence of sympathetic ganglion blockade.
mesh_terms: D064751:Ammonium Compounds / Q000494:pharmacology*; D001341:Autonomic Nervous System; D005724:Ganglia; D005725:Ganglia, Autonomic / Q000494:pharmacology*; D005728:Ganglia, Sympathetic; D006584:Hexamethonium Compounds / Q000494:pharmacology*; D011343:Procaine / Q000494:pharmacology*; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology*; D019789:Tetraethylammonium / Q000494:pharmacology*
chemical_list: D064751:Ammonium Compounds; D006584:Hexamethonium Compounds; D000644:Quaternary Ammonium Compounds; D011343:Procaine; D019789:Tetraethylammonium
keywords: AMMONIUM COMPOUNDS/pharmacology; GANGLIA, AUTONOMIC/pharmacology; HEXAMETHONIUM COMPOUNDS/pharmacology; PROCAINE/pharmacology; TETRAETHYLAMMONIUM/pharmacology