1. The normal microflora: an introduction;Tannock,1999
2. The requirement of intestinal bacterial flora for the development of an IgE production system fully susceptible to oral tolerance induction;Sudo;J. Immunol.,1997
3. Commensal host-bacterial relationships in the gut;Hooper;Science,2001
4. Postnatal microbial colonization programs the hypothalamic-pituitary-adrenal system for stress response in mice;Sudo;J. Physiol. (London),2004
5. Restraint stress elevates the plasma interleukin-6 levels in germ-free mice;Nukina;J. Neuroimmunol.,2001