Drupal-Bibcite31<style face="normal" font="default" size="100%">Body mass index and use and costs of primary care services among women aged 55-79 years in England: a cohort and linked data study</style><style face="normal" font="default" size="100%">Body mass index and use and costs of primary care services among women aged 55-79 years in England: a cohort and linked data study</style>