Neuromuscular Nondepolarizing AgentsPancuroniumVecuronium BromideAtracuriumNeuromuscular Blocking AgentsAndrostanolsSuccinylcholineTubocurarineNeostigmineNeuromuscular Depolarizing AgentsEdrophoniumGallamine TriethiodideIsoquinolinesNeuromuscular JunctionNeuromuscular BlockadeDimethylphenylpiperazinium IodideCholinesterasesThiopentalNitrous OxideNicotinic AntagonistsAnesthesiaMuscle ContractionDose-Response Relationship, DrugAcetylcholineReceptors, NicotinicTime Factors