www.seco.org	In Spanish S.E.C.O. – Spanish Society of Bariatric Surgery.
www.asbs.org	English. A.S.B.S. - American Society of Bariatric Surgery.
www.shapeup.org/sua	English. Guides and Treatment of obesity. A American Obesity Association publication.
www.asbp.com	English.
www.duodenalswitch.com	English. Support Group.
www.obesityhelp.com	English. Support Group.
www.bodybybaltasar.com
http://health.groups.yahoo.com/group/sleevegastrectomy/
http://www.casesandhospitals.com/list_cases.php