Name	Info	Provider	Link
Mental Retardation	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/4607
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/17167856/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/17167856
	free resource	University of Zagreb School of Medicine	http://www.cmj.hr/2006/47/6/17167856.htm