8Bangtrakulnonth A, Pornruangwong S, Kusum M, et al. Prevalence of Salmonella in humans during 1988-1993 [J]. Southeast Asian J Trop Med Public Heahh,1995,26 : 52-53.
9Chiu C H, Lin T Y, Qu J T. Predictors for extraintestinal infectiom of non-typhoidal Salmonella in patients without AIDS [J].Hat J Clin Pract, 1999,53 : 161-164.
10PANG Y G, JIANG J Y, WANG L Z, et al. Effects of immunological stress on immune response in different breeds of piglets [J].Animal Husbandry and Feed Science,2009,1(2):28-31.
