Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: parent exact "EHMA Annual Conference 2015, Abstracts" Add to list Conference Paper C3 A mixed-method study of the impact of the operating system on hospital efficiency Melissa De Regge (UGent) (2015) EHMA Annual Conference 2015, Abstracts.