title: Critical evaluation of brachial plexus, spinal, and epidural blocks.
mesh_terms: D000763:Anesthesia, Caudal / Q000592:standards; D000765:Anesthesia, Conduction / Q000592:standards*; D000767:Anesthesia, Epidural / Q000592:standards; D000775:Anesthesia, Spinal / Q000592:standards; D001917:Brachial Plexus; D005069:Evaluation Studies as Topic; D006801:Humans; D009407:Nerve Block / Q000592:standards