American Society for Bariatric Surgery http://www.asbs.org
American College of Nutrition http://www.amcollnutr.org
American College of Surgeons http://www.facs.org
American Dietetic Association http://www.eatright.org/Public
American Obesity Association http://www.obesity.org
American Society for Clinical Nutrition http://www.ascn.org
American Society for Bariatric Physicians http://www.asbp.org
International Bariatric Surgical Registry http://www.surgery.uiowa.edu/ibsr
International College of Surgeons http://www.icsglobal.org/aboutus/index.asp
International Federation for the Surgery of Obesity (IFSO) http://www.obesity-online.com/ifso
National Institutes of Health http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=hstat
NHLBI, Obesity Guidelines http://www.nhlbi.nih.gov/guidelines/obesity/ob_home.htm
North American Association for the Study of Obesity http://www.naaso.org
Obesity Law and Advocacy Center http://www.obesitylaw.com
Obesity Surgery Journal, The http://www.obesitysurgery.com
Sociedad Española de Cirugía de la Obesidad (S.E.C.O) http://www.seco.org
Shape Up America http://www.shapeup.org
Statistics Related to Obesity http://www.niddk.nih.gov/health/nutrit/pubs/statobes.htm
Weight Control Information Network http://www.niddk.nih.gov/health/nutrit/winnotes/summer98/index.html