Effect of 10-valent pneumococcal vaccine on pneumonia among children, Brazil - Afonso, eliane Terezinha; Minamisava, Ruth; Bierrenbach, Ana Luiza; Escalante, Juan Jose Cortez; Alencar, Airlane Pereira; Domingues, Carla Magda; Morais Neto, Otaliba Libânio de; Toscano, Cristiana Maria; Andrade, Ana Lúcia (Emerging Infectious Diseases, 2013)