Drupal-Bibcite0<style face="normal" font="default" size="100%">Risk factors and outcomes for foreign body left during a procedure: analysis of 413 incidents after 1 946 831 operations in children.</style><style face="normal" font="default" size="100%">Risk factors and outcomes for foreign body left during a procedure: analysis of 413 incidents after 1 946 831 operations in children.</style>