Academic achievement over 8 years among children who met modified criteria for attention-deficit/hyperactivity disorder at 4-6 years of age
Journal of Abnormal Child Psychology (2008) - Comment
pubmed: 17940863  doi: 10.1007/s10802-007-9186-4  issn: 0091-0627  issn: 1573-2835 

Greta M. Massetti, Benjamin B. Lahey, William E. Pelham, Jan Loney, Ashley Ehrhardt, Steve S. Lee, Heidi Kipp