[The modern condition of pediatric gastroenterology in America].
B D
BD
Riedel
D002648:Child; D005762:Gastroenterology / Q000379:methods / Q000458:organization & administration / Q000639:trends; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D014481:United States