Name Info Provider Link
Attention Deficit Hyperactivity Disorder free resource MedlinePlus Health Information https://medlineplus.gov/attentiondeficithyperactivitydisorder.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=15365896.ui
subscription/membership/fee required Springer https://dx.doi.org/10.1007/s00787-004-0401-3