van Deursen, A. M., van Mens, S. P., Sanders, E. A., Vlaminckx, B. J., de Melker, H. E., Schouls, L. M., . . . van der Ende, A. (2012). Invasive Pneumococcal Disease and 7-Valent Pneumococcal Conjugate Vaccine, the Netherlands. Centers for Disease Control and Prevention.

van Deursen, Anna M.M., Suzan P. van Mens, Elisabeth A.M Sanders, Bart J.M Vlaminckx, Hester E. de Melker, Leo M. Schouls, Sabine C. de Greeff, ja Arie van der Ende. Invasive Pneumococcal Disease and 7-Valent Pneumococcal Conjugate Vaccine, the Netherlands. Centers for Disease Control and Prevention, 2012.

van Deursen, Anna M.M., et al. Invasive Pneumococcal Disease and 7-Valent Pneumococcal Conjugate Vaccine, the Netherlands. Centers for Disease Control and Prevention, 2012.