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: author="de Waleffe, Sandrine" or (type any "bookEditor issueEditor" and editor="de Waleffe, Sandr... Add to list Journal Article A1 Sample substitution can be an acceptable data-collection strategy : the case of the Belgian Health Interview Survey Stefaan Demarest, Geert Molenberghs, Johan Van der Heyden, Lydia Gisle, Herman Van Oyen (UGent) , Sandrine de Waleffe and Guido Van Hal (2017) INTERNATIONAL JOURNAL OF PUBLIC HEALTH. 62(8). p.949-957