Effects of the 10-valent pneumococcal nontypeable Haemophilus influenzae protein D-conjugate vaccine on nasopharyngeal bacterial colonization in young children: a randomized controlled trial. - van den Bergh MR; Spijkerman J; Swinnen KM; François NA; Pascal TG; Borys D; Schuerman L; Ijzerman EP; Bruin JP; van der Ende A; Veenhoven RH; Sanders EA (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2013)