Observed classroom behavior of children with ADHD: relationship to gender and comorbidity.
Abikoff HB, Jensen PS, Arnold LL, Hoza B, Hechtman L, Pollack S, Martin D, Alvir J, March JS, Hinshaw S, Vitiello B, Newcorn J, Greiner A, Cantwell DP, Conners CK, Elliott G, Greenhill LL, Kraemer H, Pelham WE, Severe JB, Swanson JM, Wells K, Wigal T. Observed classroom behavior of children with ADHD: relationship to gender and comorbidity. J Abnorm Child Psychol. 2002 Aug; 30(4):349-59.