Effect of yoghurt containing Bifidobacterium lactis Bb12® on faecal excretion of secretory immunoglobulin A and human beta-defensin 2 in healthy adult volunteers

含乳双歧杆菌Bb12®的酸奶对健康成年志愿者粪便中分泌型免疫球蛋白A和人β-防御素2排泄的影响