Product Search Search Effective Health Care website Submit search Search Tip: Use double quotes around phrases to rank exact matches higher in the result list. 2 results Attention Deficit Hyperactivity Disorder: Effectiveness of Treatment in At-risk Preschoolers; Long-term Effectiveness in All Ages; and Variability in Prevalence, Diagnosis, and Treatment Research Protocol Archived August 10, 2010 Comparative Effectiveness of First and Second Generation Antipsychotics in the Pediatric and Young Adult Populations Research Protocol Archived June 4, 2010