Cite

    David Goldblatt et al.. “Pneumococcal conjugate vaccine 13 delivered as one primary and one booster dose (1 + 1) compared with two primary doses and a booster (2 + 1) in UK infants: a multicentre, parallel group randomised controlled trial.” Lancet infectious diseases, vol. 18, no. 2, 2018, pp. 171–179. http://access.bl.uk/ark:/81055/vdc_100056442150.0x000015