Romano, ElisaBaillargeon, Raymond H.Tremblay, Richard E.2010-04-222010-04-2220022002Hull, QC: Human Resources Development Canada, Applied Research Branch.http://hdl.handle.net/10393/12871enPrevalence of hyperactivity-impulsivity and inattention among Canadian children: Findings from the first data collection cycle (1994-1995) of the National Longitudinal Survey of Children and YouthOther