Sadarangani, M, Sell, T, Iro, M A, Snape, M D, Voysey, M, Finn, A, Heath, P T, Bona, G, Esposito, S, Diez-Domingo, J, Prymula, R, Odueyungbo, A, Toneatto, D & Pollard, A J 2017, ' Persistence of immunity after vaccination with a capsular group B meningococcal vaccine in 3 different toddler schedules ', CMAJ: Canadian Medical Association Journal, vol. 189, no. 41, pp. E1276-E1285 . https://doi.org/10.1503/cmaj.161288