title: Genetic and epidemiologic approaches to the search for gene-environment interaction: the case of osteoporosis.
authors.forename: M J
authors.initials: MJ
authors.lastname: Khoury
mesh_terms: D004200:Diseases in Twins / Q000453:epidemiology* / Q000235:genetics*; D004777:Environment; D004812:Epidemiologic Methods; D006801:Humans; D010024:Osteoporosis / Q000453:epidemiology* / Q000235:genetics*; D012307:Risk Factors; D018433:Twin Studies as Topic