Exposure of Intestinal Epithelial Cells to UV-Killed <i>Lactobacillus GG </i>but Not <i>Bifidobacterium breve </i>Enhances the Effector Immune Response in vitroEls van Hoffen, Linette E. M. Willemsen, Sander de Kivit et al.|International Archives of Allergy and Immunology|2009Cited by 40