Howard B. Abikoff, Peter S. Jensen, L. L. Eugene Arnold, Betsy Hoza, Lily Hechtman, Simcha Pollack, Diane Martin, Jose Alvir, John S. March, Stephen Hinshaw, Benedetto Vitiello, Jeffrey Newcorn, Andrew Greiner, Dennis P. Cantwell, C. Keith Conners, Glen Elliott, Laurence L. Greenhill, Helena Kraemer, William E. Pelham Jr., Joanne B. Severe, James M. Swanson, Karen Wells, Tim Wigal,
Observed classroom behavior of children with ADHD: relationship to gender and comorbidity. Journal of Abnormal Child Psychology. ,vol. 30, pp. 349- 359 ,(2002) ,
10.1023/A:1015713807297