Drupal-Bibcite0<style face="normal" font="default" size="100%">N-terminal pro-B-type natriuretic peptide levels and early outcome after cardiac surgery: a prospective cohort study</style><style face="normal" font="default" size="100%">N-terminal pro-B-type natriuretic peptide levels and early outcome after cardiac surgery: a prospective cohort study</style>