title: Cancer in MZ and DZ twins.
mesh_terms: D000368:Aged; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000235:genetics* / Q000401:mortality; D012737:Sex Factors; D012907:Smoking