The distinction between gastric ulceration and carcinoma of the stomach.
D000126:Achlorhydria / Q000209:etiology; D000368:Aged; D001799:Blood Sedimentation; D003937:Diagnosis, Differential; D005260:Female; D005750:Gastric Juice / Q000378:metabolism*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012636:Secretory Rate; D013274:Stomach Neoplasms / Q000150:complications / Q000175:diagnosis*; D013276:Stomach Ulcer / Q000175:diagnosis*