Silaba, M., Ooko, M., Bottomley, C., Sande, J., Benamore, R., Park, K., Ignas, J., Maitland, K., Mturi, N., Makumi, A., Otiende, M., Kagwanja, S., Safari, S., Ochola, V., Bwanaali, T., Bauni, E., Gleeson, F., Deloria Knoll, M., Adetifa, I., Marsh, K., Williams, T. N., Kamau, T., Sharif, S., Levine, O. S., Hammitt, L. L., & Scott, J. A. G. (2019). effect of 10-valent pneumococcal conjugate vaccine on the incidence of radiologically-confirmed pneumonia and clinically-defined pneumonia in Kenyan children: an interrupted time-series analysis. Lancet, 7(3), e337–e346. http://access.bl.uk/ark:/81055/vdc_100077476292.0x000001