Neuromuscular Nondepolarizing AgentsPancuroniumVecuronium BromideAtracuriumNeuromuscular Blocking AgentsAndrostanolsSuccinylcholineTubocurarineNeuromuscular Depolarizing AgentsNeostigmineEdrophoniumGallamine TriethiodideIsoquinolinesNeuromuscular JunctionNeuromuscular BlockadeCholinesterasesDimethylphenylpiperazinium IodideThiopentalNitrous OxideNicotinic AntagonistsAnesthesiaTime FactorsMuscle ContractionDose-Response Relationship, DrugAcetylcholineReceptors, Nicotinic