title: Letter: Concentrations of lidocaine and its metabolites in the blood after endotracheal administration.
mesh_terms: D000336:Aerosols; D000772:Anesthesia, Local / Q000379:methods*; D006801:Humans; D007275:Injections, Intravenous; D007442:Intubation, Intratracheal; D008012:Lidocaine / Q000097:blood* / Q000378:metabolism; D014132:Trachea / Q000378:metabolism*
chemical_list: D000336:Aerosols; D008012:Lidocaine