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Society of physicians and scientists that serves as an advocate for its members and their patients; supports members' practices and scientific needs; and promotes the research and application of new knowledge leading to digestive disease prevention, treatment, and cures.
http://www.gastro.org/
Established to advance the understanding of the normal development and physiology of diseases of the gastrointestinal tract and liver in infants, children, and adolescents.
http://www.naspgn.org/
