6Imaki T, Shibasaki T, Demura H. Regulation of gene expression in the central nervous system by stress: Molecular pathways of stress responses.Endocr J, 1995, 42 (2): 121-130
7Wong CW, Smith SE, Thong YH, Opdebeeck JP, Thornton JR. Effect of exercise stress on various immune functions in horses. Am J Vet Res ,1992, 53 (8): 1414-1417
8Stull CL, Kachulis CJ, Farley JL, Koenig GJ. The effect of age and teat order on α1-acid glycoprotein, neutrophil-to lymphocyte ratio, cortisol and average daily gain in commercial growing pigs. J Anim Sci , 1999, 77(1): 70-74
9Padgett DA, Loria RM, Sheridan JF. Steroid hormone regulation of antiviral immunity. Ann NY Acad Sci, 2000, 917: 935-943
10Pearce BD, Biron CA, Miller AH. Neuroendocrine-immune interactions during viral infections. Adv Virus Res, 2001, 56: 469-513