Drupal-Bibcite31<style face="normal" font="default" size="100%">Long-term impact of giving antibiotics before skin incision versus after cord clamping on children born by caesarean section: protocol for a longitudinal study based on UK electronic health records</style><style face="normal" font="default" size="100%">Long-term impact of giving antibiotics before skin incision versus after cord clamping on children born by caesarean section: protocol for a longitudinal study based on UK electronic health records</style>