Coverage and timeliness of vaccination and the validity of routine estimates: Insights from a vaccine registry in Kenya
Adetifa IMO., Karia B., Mutuku A., Bwanaali T., Makumi A., Wafula J., Chome M., Mwatsuma P., Bauni E., Hammitt LL., Mataza C., Tabu C., Kamau T., Williams TN., Scott JAG.