title: [Intrathecal meperidine: possible mechanisms of action].
mesh_terms: D000368:Aged; D000779:Anesthetics, Local; D004341:Drug Evaluation; D006801:Humans; D007278:Injections, Spinal; D008012:Lidocaine / Q000009:adverse effects; D008614:Meperidine / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology*; D008875:Middle Aged
chemical_list: D000779:Anesthetics, Local; D008012:Lidocaine; D008614:Meperidine
vernacular_title: Meperidina intratecal: posibles mecanismos de acción.