Name Info Provider Link
subscription/membership/fee required Atypon https://journals.sagepub.com/doi/10.2466/25.15.26.PMS.114.3.774-782?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
Down Syndrome free resource Genetic Alliance https://www.diseaseinfosearch.org/result/2327
Down Syndrome free resource MedlinePlus Health Information https://medlineplus.gov/downsyndrome.html