The inotropic actions of quaternary ammonium compounds.
D064751:Ammonium Compounds / Q000494:pharmacology*; D006321:Heart / Q000494:pharmacology*; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology*
D064751:Ammonium Compounds; D000644:Quaternary Ammonium Compounds
AMMONIUM COMPOUNDS/pharmacology; HEART/pharmacology