K

Kagina, B. M., Wiysonge, C. S., Machingaidze, S., Abdullahi, L. H., Adebayo, E., Uthman, Olalekan A. and Hussey, Gregory D. (2014) The use of supplementary immunisation activities to improve uptake of current and future vaccines in low-income and middle-income countries : a systematic review protocol. BMJ Open, Volume 4 (Number 2). Article number e004429. doi:10.1136/bmjopen-2013-004429