Name Info Provider Link
free resource Ediciones Doyma, S.L. http://www.elsevier.es/en/linksolver/ft/pii/S1695-4033(09)00680-8
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S1695-4033(09)00680-8
Family History free resource MedlinePlus Health Information https://medlineplus.gov/familyhistory.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20122885/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/20122885