Drupal-Bibcite0<style face="normal" font="default" size="100%">Is single room hospital accommodation associated with differences in healthcare-associated infection, falls, pressure ulcers or medication errors? A natural experiment with non-equivalent controls.</style><style face="normal" font="default" size="100%">Is single room hospital accommodation associated with differences in healthcare-associated infection, falls, pressure ulcers or medication errors? A natural experiment with non-equivalent controls.</style>