Name Info Provider Link
free resource Atypon https://www.nejm.org/doi/10.1056/NEJMoa1208506?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0www.ncbi.nlm.nih.gov
Developmental Disabilities free resource MedlinePlus Health Information https://medlineplus.gov/developmentaldisabilities.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=23268664.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23268664/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/23268664
Toddler Development free resource MedlinePlus Consumer Health Information https://medlineplus.gov/toddlerdevelopment.html