%0 Journal Article %1 frentzenmethods %A Frentzen, A %A Hueging, K %A Bitzegeio, J %A Pietschmann, T %A Steinmann, E %D 2012 %E Exp, J Vis %J J Vis Exp %K pietschmann %N 65 %P e4029 %T Two methods of heterokaryon formation to discover HCV restriction factors