Name Info Provider Link
Developmental Disabilities free resource MedlinePlus Health Information https://medlineplus.gov/developmentaldisabilities.html
subscription/membership/fee required Wiley https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0148-7299&date=1993&volume=47&issue=4&spage=559