[Gastritis].
D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D002908:Chronic Disease; D004285:Dogs; D004724:Endoscopy; D005260:Female; D005756:Gastritis / Q000145:classification / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D051381:Rats