American Psychological Association
http://www.apa.org/
American Geriatrics Society
http://www.americangeriatrics.org/
American Society on Aging
http://www.asaging.org/index.cfm
British Geriatrics Society
http://www.bgs.org.uk/
British Society for Research on Ageing
http://www.bsra.org.uk/
British Society of Gerontology
http://www.britishgerontology.org/
Canadian Medical Association Clinical Practice Guideliness: Geriatric Medicine/Geriatrie
http://www.cma.ca/index.cfm/ci_id/121/la_id/1.htm
European Union Geriatric Medicine Society
http://www.eugms.org/
International Psychogeriatrics Association
http://www.ipa-online.org/
Australian and New Zealand Society for Geriatric Medicine
http://www.anzsgm.org/
Canadian Geriatrics Society- Société Canadienne de Gériatrie
http://www.canadiangeriatrics.ca/
International Association of Gerontology and Geriatrics
http://www.iagg.info/
Organización Panamericana de la Salud
http://www.paho.org/hq/?lang=es
Sociedad Argentina de Gerontología y Geriatría
http://www.sagg.org.ar/
Sociedad de Geriatría y Gerontología de Chile
http://www.socgeriatria.cl/
Sociedad Española de Medicina Geriátrica
http://www.semeg.es/index.html
Sociedad Española de Geriatría y Gerontología
http://www.segg.es/
Società Italiana di Gerontologia e Geriatria
http://www.sigg.it/
Sociedad Uruguaya de Gerontología y Geriatría
http://www.sugg.com.uy/
Society for Neuroscience
http://www.sfn.org/
The Gerontological Society of America
http://www.geron.org/