ANALGESIC EFFICACY OF EPIDURAL MORPHINE AND CLONIDINEIN PATIENTS UNDERGOING DECOMPRESSION OF THE LUMBAR CANAL: A PROSPECTIVE RANDOMIZED TRIAL

by BRUNO RONCAGLIO, RAPHAEL FERNANDES CALHAU, CHARBEL JACOB JÚNIOR, IGOR MACHADO CARDOSO, JOSÉ LUCAS BATISTA JÚNIOR, JOELMAR CESAR ALMEIDA