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- [32] Changes in nasopharyngeal carriage of Streptococcus pneumoniae, Haemophilus influenzae and Moraxella catarrhalis among healthy children attending a day-care centre before and after official financial support for the 7-valent pneumococcal conjugate vaccine and H. influenzae type b vaccine in Japan JOURNAL OF INFECTION AND CHEMOTHERAPY, 2014, 20 (1-2) : 146 - 149