Name Info Provider Link
subscription/membership/fee required American Psychological Association http://content.apa.org/journals/dev/45/3/711
Child Mental Health free resource MedlinePlus Health Information https://medlineplus.gov/childmentalhealth.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19413427.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/19413427/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/19413427