[Pathophysiologic and clinical study of diseases of the gastrointestinal tract].
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D005753:Gastric Mucosa / Q000378:metabolism / Q000473:pathology; D005767:Gastrointestinal Diseases / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged