2007 - Vol. 57 / Issue 1
Epidural S(+) ketamine and S(+) ketamine-morphine associated with ropivacaine in the postoperative analgesia and sedation of upper abdominal surgery
Taylor Brandão Schnaider; Antônio Mauro Vieira; Antônio Carlos Aguiar Brandão; Aretusa Chediak Roquim
