title: Proper controls for SNP studies?
authors.forename: Paul
authors.initials: P
authors.lastname: Brennan
authors.forename: Paolo
authors.initials: P
authors.lastname: Boffetta
mesh_terms: D004260:DNA Repair / Q000235:genetics; D004777:Environment; D020022:Genetic Predisposition to Disease / Q000235:genetics*; D015386:Hazardous Substances; D006801:Humans; D009369:Neoplasms / Q000209:etiology* / Q000235:genetics*; D020641:Polymorphism, Single Nucleotide / Q000235:genetics*; D012107:Research Design; D018401:Sample Size
chemical_list: D015386:Hazardous Substances