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APA Citation
de Whalley, P. C. S., Snape, M. D., Plested, E., Thompson, B., Nuthall, E., Omar, O., Borrow, R., & Pollard, A. J. (2013). long-term seroprotection after an adolescent booster meningococcal serogroup C vaccination. Archives of disease in childhood, 98(9), 686–691. http://access.bl.uk/ark:/81055/vdc_100137791432.0x00005b