Chronic gastritis in childhood: histological and secretion findings.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005753:Gastric Mucosa / Q000378:metabolism / Q000473:pathology; D005756:Gastritis / Q000453:epidemiology / Q000378:metabolism / Q000473:pathology; D006801:Humans; D007223:Infant