title: [Study of gastritis of the upper portion of the stomach based on the acid secreting function].
mesh_terms: D000367:Age Factors; D000818:Animals; D002299:Cardia / Q000473:pathology; D003224:Congo Red; D005260:Female; D005750:Gastric Juice / Q000378:metabolism*; D005756:Gastritis / Q000378:metabolism / Q000473:pathology*; D005773:Gastroscopy; D000882:Haplorhini; D006801:Humans; D008251:Macaca; D008297:Male; D013194:Staining and Labeling
chemical_list: D003224:Congo Red