Clinical study of gastric cancer.
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012744:Sex Ratio; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000453:epidemiology* / Q000628:therapy; D013785:Thailand