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Influence of maternal vaccination against diphtheria, tetanus, and pertussis on the avidity of infant antibody responses to a pertussis containing vaccine in Belgium
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Pertussis vaccination during pregnancy in Belgium: Results of a prospective controlled cohort study
Pertussis vaccination during pregnancy in Belgium: Follow-up of infants until 1 month after the fourth infant pertussis vaccination at 15 months of age
Pertussis vaccination during pregnancy in Belgium : follow-up of infants until 1 month after the fourth infant pertussis vaccination at 15 months of age