Evaluating the utility of sluggish cognitive tempo in discriminating among DSM-IV ADHD subtypes
Journal of Abnormal Child Psychology (2010) - Comment
pubmed: 19731006  doi: 10.1007/s10802-009-9355-8  issn: 1573-2835  issn: 0091-0627 

Kelly M. Harrington, Irwin D. Waldman