Show 100 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="Sorge, Geoff B" or (type exact bookEditor and editor="Sorge, Geoff B") Add to list Journal Article A1 The hierarchical factor model of ADHD: invariant across age and national groupings? Maggie E Toplak, Geoff B Sorge, David B Flora, Wai Chen, Tobias Banaschewski, Jan Buitelaar, Richard Ebstein, Jacques Eisenberg, Barbara Franke, Michael Gill, et al. (2012) JOURNAL OF CHILD PSYCHOLOGY AND PSYCHIATRY. 53(3). p.292-303