Zou, W Intrathecal morphine suppresses immune function in rats with inflammatory-induced pain. [electronic resource] - The Journal of international medical research - 626-36 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0300-0605 Standard No.: 10.1177/147323000703500507 doi Subjects--Topical Terms: AnimalsImmunity, Cellular--drug effectsInflammation--complicationsInjections, SpinalKiller Cells, Natural--drug effectsMaleMorphine--administration & dosagePain--etiologyPain MeasurementRatsRats, Sprague-DawleySpleen--drug effectsT-Lymphocytes--drug effects