Some ecological studies of lung cancer and ischaemic heart disease mortality in the United States.
D000328:Adult; D000367:Age Factors; D000368:Aged; D003327:Coronary Disease / Q000401:mortality*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality*; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D012907:Smoking; D014481:United States