title: Blood levels of local anesthetics during spinal and epidural anesthesia.
mesh_terms: D000767:Anesthesia, Epidural; D000775:Anesthesia, Spinal; D000779:Anesthetics, Local / Q000097:blood*; D001794:Blood Pressure / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D006801:Humans; D007278:Injections, Spinal; D008012:Lidocaine / Q000008:administration & dosage / Q000097:blood
chemical_list: D000779:Anesthetics, Local; D008012:Lidocaine