RT Journal Article SR Electronic T1 Sitting on the edge: when to treat symptoms of inattention without the full DSM-IV criteria of ADHD JF Journal of Psychiatry and Neuroscience JO JPN FD Canadian Medical Association SP 447 OP 447 VO 32 IS 6 A1 Ridha Joober YR 2007 UL http://jpn.ca/content/32/6/447.abstract