title: The response of chronic gastritis to conservative treatment.
mesh_terms: D001646:Bile / Q000502:physiology; D001706:Biopsy; D002908:Chronic Disease; D005743:Gastrectomy / Q000009:adverse effects; D005756:Gastritis / Q000209:etiology / Q000628:therapy*; D005773:Gastroscopy; D006801:Humans; D007413:Intestinal Mucosa; D010434:Pepsin A; D013270:Stomach / Q000473:pathology
chemical_list: D010434:Pepsin A