Scientific Article Morfina Intratecal para Analgesia Do Trabalho de Parto Intrathecal morphine for labor analgesia Barros S, Neira H Braz J Anesthesiol, vol.33, n6, p.339-441, 1983 PDF Downloads: 1 Views: 784 5f9c9db98e6f1a40018b4654 rba Articles