References...

Bariatric Surgery
Bariatric Surgery for Severe Obesity (NIH)
_{Description of the different techniques available}
Weight Loss Surgery Techniques Options
_{Description of the different techniques available}
BioEnterics Intragastric Balloon (obesity-online)
Gastric Bypass Surgery (Mayo Clinic)
_{Overview covers risks and results of this weight-loss procedure}
Laparoscopic Gastric Banding
Weight Loss Surgery Info