Pharmacologic evidence for the existence of a presynaptic event in neuromuscular transmission.
D064751:Ammonium Compounds; D009469:Neuromuscular Junction; D010636:Phenols; D000644:Quaternary Ammonium Compounds; D009435:Synaptic Transmission
D064751:Ammonium Compounds; D010636:Phenols; D000644:Quaternary Ammonium Compounds
AMMONIUM COMPOUNDS; MYONEURAL JUNCTION; PHENOLS