Drupal-Bibcite0<style face="normal" font="default" size="100%">Sustainability and long-term effectiveness of the WHO surgical safety checklist combined with pulse oximetry in a resource-limited setting: two-year update from Moldova.</style><style face="normal" font="default" size="100%">Sustainability and long-term effectiveness of the WHO surgical safety checklist combined with pulse oximetry in a resource-limited setting: two-year update from Moldova.</style>