Name	Info	Provider	Link
Developmental Disabilities	free resource	MedlinePlus Health Information	https://medlineplus.gov/developmentaldisabilities.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29046197/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29046197
	free resource	Chinese Journal of Contemporary Pediatrics	http://www.zgddek.com/EN/abstract/abstract14370.shtml