Morfina Intratecal no Alívio da Dor Pós-Operatória
Intrathecal morphine for post-operative relief pain
Nocite J.R., Cagnolati C.A., Castro J.G., Roso M.A. P
        
                                    Braz J Anesthesiol, vol.33, n4,  p.261-264, 1983