title: Letter: Bilateral spread of analgesia with interscalene brachial plexus block.
mesh_terms: D000328:Adult; D001917:Brachial Plexus; D006801:Humans; D008012:Lidocaine; D008297:Male; D009407:Nerve Block / Q000009:adverse effects*; D010243:Paralysis / Q000209:etiology
chemical_list: D008012:Lidocaine