American Society for Bariatric Surgery -- 21st year.
D049673:History, 20th Century; D006801:Humans; D009765:Obesity / Q000601:surgery*; D012042:Registries; D012955:Societies, Medical / Q000266:history* / Q000458:organization & administration; D013043:Specialties, Surgical / Q000266:history* / Q000458:organization & administration; D014481:United States