An observational, cohort, multi-centre, open label phase IV extension study comparing preschool DTAP-IPV booster vaccine responses in children whose mothers were randomised to one of two pertussis-containing vaccines or received no pertussis-containing vaccine in pregnancy in England.
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N. Andrews | C. Jones | M. Snape | E. Miller | P. Heath | B. Hallis | M. Matheson | Shari Sapuan | Laura Hole