Drupal-Bibcite31<style face="normal" font="default" size="100%">Assessing the severity of cardiovascular disease in 213 088 patients with coronary heart disease: a retrospective cohort study</style><style face="normal" font="default" size="100%">Assessing the severity of cardiovascular disease in 213 088 patients with coronary heart disease: a retrospective cohort study</style>