Case-control study of vitamin D, dickkopf homolog 1 (DKK1) gene methylation, VDR gene polymorphism and the risk of colon adenoma in African Americans.
Ashktorab H, Nguza B, Fatemi M, Nouraie M, Smoot DT, Sch?ffer AA, Kupfer SS, Camargo CA, Brim H. Case-control study of vitamin D, dickkopf homolog 1 (DKK1) gene methylation, VDR gene polymorphism and the risk of colon adenoma in African Americans. PLoS One. 2011; 6(10):e25314.