title: Cancer, genes, and the environment.
authors.forename: B L
authors.initials: BL
authors.lastname: Shapiro
mesh_terms: D004200:Diseases in Twins / Q000209:etiology / Q000235:genetics*; D004777:Environment; D020022:Genetic Predisposition to Disease; D006801:Humans; D009369:Neoplasms / Q000209:etiology / Q000235:genetics*; D018433:Twin Studies as Topic