Variations in gastric cancer mortality in South Wales.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012111:Residence Characteristics; D012737:Sex Factors; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000453:epidemiology / Q000401:mortality* / Q000628:therapy; D014852:Wales