1. Detection of tumor necrosis factor a from porcine alveolar macrophages using an L929 fibroblast assay;Baarsch;J. Immunol. Methods,1991
2. Production of cytokines by lymphocytes from spleen, mesenteric lymph node and intestinal lamina propria of pigs;Bailey;Immunology,1994
3. Morphine inhibition of lymphocyte activity is mediated by an opioid dependent mechanism;Bayer;Neuropharmacology,1990
4. Morphine pellet-induced immunomodulation in mice: temporal relationships;Bryant;J. Pharmacol. Exp. Ther.,1988
5. Suppressive effects of morphine pellet implants on in vivo parameters of immune function;Bryant;J. Pharmacol. Exp. Ther.,1990