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 Jong, Cor AJ*" or (type exact bookEditor and editor="De Jong, Cor AJ*") Add to list Journal Article A1 open access The effect of using assessment instruments on substance-abuse outpatients' adherence to treatment: a multi-centre randomised controlled trial Veerle Raes, Cor AJ De Jong, Dirk De Bacquer (UGent) , Eric Broekaert (UGent) and Jan De Maeseneer (UGent) (2011) BMC HEALTH SERVICES RESEARCH. 11. Add to list Journal Article A1 The use of the RCQ-D in patients with poly drug abuse Veerle Raes, Gerdien A De Weert-Van Oene, Mary M Velasquez, Jan De Maeseneer (UGent) and Cor AJ De Jong (2010) ADDICTION RESEARCH & THEORY. 18(4). p.409-420