ADHD comorbidity findings from the MTA study: Comparing comorbid subgroups

Peter S. Jensen, Stephen P. Hinshaw, Helena C. Kraemer, Nilantha Lenora, Jeffrey H. Newcorn, Howard B. Abikoff, John S. March, L. Eugen Arnold, Dennis P. Cantwell, C. Keith Conners, Glen R. Elliott, Laurence L. Greenhill, Lily Hechtman, Betsy Hoza, William E. Pelham, Joanne B. Severe, James M. Swanson, Karen C. Wells, Timothy Wigal, Benedetto Vitiello