Drupal-Bibcite31<style face="normal" font="default" size="100%">The incidence of first venous thromboembolism in and around pregnancy using linked primary and secondary care data: a population based cohort study from England and comparative meta-analysis</style><style face="normal" font="default" size="100%">The incidence of first venous thromboembolism in and around pregnancy using linked primary and secondary care data: a population based cohort study from England and comparative meta-analysis</style>