4Rinne M, Kaliomaki M, Arvilommi H, et al. Effect of probiotics and- breast feeding on the bifidobacterium and lactobacillus/enterococ- cusmicrobiota humoral immune responses [ J ]. J Pedlar, 2005, 147 (2): 186 -191.
5Shu Q, Lin H, Rutherfurd KJ, etal. Dietary Bifdobacteriumlactis (HN019) enhances resistance to oral Salmonella typhimurium infec- tion in mice [ J ]. Microbiol Immuno1,2000,44 (4) : 213 - 222.