%0 Journal Article %T Two-step epigenetic Mendelian randomization: a strategy for establishing the causal role of epigenetic processes in pathways to disease %A Relton, Caroline L %A Davey Smith, George %J International Journal of Epidemiology %V 41 %N 1 %P 161-176 %@ 0300-5771 %D 2012-02-01 %I Oxford University Press %~ DeepDyve