title: Reply to the correspondence in relation to the article "Randomized study of post-cesarean analgesia with intrathecal morphine alone or combined with clonidine".
authors.affiliation: Department of Anesthesiology UFPR and Hospital Santa Cruz, Brazil.
authors.forename: Francisco
authors.initials: F
authors.lastname: Carvalho
mesh_terms: D000698:Analgesia; D000701:Analgesics, Opioid; D002585:Cesarean Section; D003000:Clonidine; D005260:Female; D006801:Humans; D007278:Injections, Spinal; D009020:Morphine; D010149:Postoperative Pain; D011247:Pregnancy
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine; D003000:Clonidine