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The clinical and laboratorial evaluation of transdermal ketamine, fentanyl, clonidine or their combination in chronic low back pain

LAURETTI, Gabriela Rocha; MATSUMOTO, Márcio; MATTOS, Anita Leocádia de; LANCHOTE, Vera; PEREIRA, Newton Lindolfo (Sociedade Brasileira de Coluna, 2009)

OBJECTIVES: chronic low back pain may result in central sensitization, with involvement of different receptors. The aim of this study was to evaluate the analgesic action of transdermal (T) ketamine (a NMDA antagonist), ...