Impact of introduction of conjugate vaccines in the vaccination schedule on the incidence of pediatric invasive pneumococcal disease requiring hospitalization in Madrid 2007 to 2011

1. Picazo, J.
2. Ruiz-Contreras, J.
3. Casado-Flores, J.
4. Giangaspro, E.
5. García-De-Miguel, M.-J.
6. Hernández-Sampelayo, T.
7. Otheo, E.
8. Méndez, C.