PT - JOURNAL ARTICLE AU - Frost, Steven A AU - Alexandrou, Evan TI - Higher nurse staffing levels associated with reductions in unplanned readmissions to intensive care or operating theatre, and in postoperative in-hospital mortality in heart surgery patients AID - 10.1136/eb-2012-100893 DP - 2013 Apr 01 TA - Evidence Based Nursing PG - 62--63 VI - 16 IP - 2 4099 - http://ebn.bmj.com/content/16/2/62.short 4100 - http://ebn.bmj.com/content/16/2/62.full SO - Evid Based Nurs2013 Apr 01; 16