[Comparative study of the changes in the gastric mucosa and acid secreting activity in gastric carcinoma].
D000328:Adult; D000368:Aged; D005260:Female; D005744:Gastric Acid / Q000378:metabolism*; D005753:Gastric Mucosa / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000378:metabolism* / Q000473:pathology