Nerve blocking agents.
D001340:Autonomic Nerve Block; D006801:Humans; D008619:Mepivacaine; D000644:Quaternary Ammonium Compounds; D009435:Synaptic Transmission / Q000187:drug effects; D013903:Thoracic Surgery; D013909:Thorax / Q000601:surgery
D000644:Quaternary Ammonium Compounds; D008619:Mepivacaine