Drupal-Bibcite31<style face="normal" font="default" size="100%">Early-life exposure to antibacterials and the subsequent development of hayfever in childhood in the UK: case-control studies using the General Practice Research Database and the Doctors\textquoteright Independent Network</style><style face="normal" font="default" size="100%">Early-life exposure to antibacterials and the subsequent development of hayfever in childhood in the UK: case-control studies using the General Practice Research Database and the Doctors\textquoteright Independent Network</style>