title: Clinical observations suggesting a changing site of action during induction and recession of spinal and epidural anesthesia.
mesh_terms: D000767:Anesthesia, Epidural; D000775:Anesthesia, Spinal; D000779:Anesthetics, Local / Q000494:pharmacology*; D006801:Humans; D008012:Lidocaine / Q000494:pharmacology; D008619:Mepivacaine / Q000494:pharmacology; D012677:Sensation / Q000187:drug effects; D013116:Spinal Cord / Q000187:drug effects; D013126:Spinal Nerve Roots / Q000187:drug effects; D013514:Surgical Procedures, Operative; D013748:Tetracaine / Q000494:pharmacology; D013997:Time Factors
chemical_list: D000779:Anesthetics, Local; D013748:Tetracaine; D008012:Lidocaine; D008619:Mepivacaine